C) i-true, ii-false i) get out of method ii) end a program 12) Which of the following is not keyword? In a java program, package declaration ……………….. import statements. State true or false for the following statements in Java. A) JDBC calls, ……protocol, 1. D) an interface that defines methods to read primitive data types. 2. Error can't be executed. 9. Exceptions are created when abnormal situations arise in our program. ii) An abstract class has implementations of all methods defined inside it. D) Not scalable, 2. D) a data type, 7. when m=5 and n=2 ? 34. } It is recommended to handle exceptions withspecific Exception instead of handling with Exception root class.3) Call stack mechanism: If a method throws an exception and it is not handled immediately, then thatexception is propagated or thrown to the caller of that method. 8) D. i-False, ii-False C) Hardware class Room implements Area Java programs are A) Faster than others B) Platform independent C) Not reusable D) Not scalable. A private class is accessible from inside a …………….. D) none B) PERRL C) equals ( ) Answers: A) Faster than others B) False 2. 23. C) Will not compile because the string is abstract. Contact +91 988 502 2027 for more information. } A) java.awt.ActionEvent { 5. C) java.applet 10.B) i-false, ii-false, iii-false, iv-false, 1. If one or more abstract methods are not implemented in an abstract class, then the subclass is also abstract. C) editing tools 5. B) destroy method Command to execute compiled java program is ( ). A) Byte 8. JSP embeds in ……………. B) extending one class and implementing one or more interfaces C) Character 8. The Java interpreter along with the run time environment required to run the Java application in called as Java virtual machine(JVM) 2. A) Create a jar archive D) A suspended thread using suspend() method can be revived using the resume() method. MS-SQL stores data in a …………………… file format. C) Not reusable CPU Scheduling Operating Systems Questions amp Answers. 15) B. This operation is also called………………………… B) Debug a java program 1. C) implementing two or more interfaces 3. 3. B) Java has replaced the destructor function of C++ D) java.lang C) Visible in all classes in the same package and subclasses in other packages 10. 16) B. thread B) Throwable byte x=64, y; It’s the responsibility of subclass to provide the implementation. Objects Consider the statement “x=(a>b)?a:b”, then the value of x is 19 if a=19 and b=12, D) none of the above D) java.string, 5. If m and n are int type variables, what will be the result of the expression QUESTION BANK – JAVA PROGRAMMING 1) Write a java code to display the system date and the date before 763 days from system date today‟s date. A) Converts a java program into binary code B) java.mysql. An Inner class has access rights for the class which is nesting it and it can access all variables and methods defined in the outer class. B) Java generator 10. 2. Which of the following represent legal flow control statements? B) 1,2 & 3 Which method will a web browser call on a new applet? …………… package is used by the compiler itself. A) two methods defined in that interface C) executeUpdate() B) i-false, ii-false, iii-false, iv-false 20) B. break(); 4) Which of the following denotes a Javadoc comment? 14) Multidimensional arrays are actually ……, 15) Which of the following keywords are used to control access to a class member? B) i-false, ii-true 4) C. /** A) must precede Explain creating threads by implementing Runnable class?Answer: This is the first and foremost way to create threads. default: A class with default modifier can be accessed, 1) In the same class2) In the same package subclass3) In the same package nonsubclass4) In the different package subclass5) In the different package nonsubclass. JAVA Online Test. What does null mean in java?Answer:When a reference variable doesn’t point to any value it is assigned null.Example: Employee employee;In the above example employee object is not instantiate so it is pointed nowhere. What is constructor in java?Answer: A constructor is a special method used to initialize objects in the java.we use constructors to initialize all variables in the class when an object is created. Therefore convenience and availability of a wide variety of JAVA QUESTIONNAIRES … 9. B) if, switch What is the method in java?Answer: It contains the executable body that can be applied to the specific object of the class.The method includes method name, parameters or arguments and return type and a body of executable code.Syntax : type methodName(Argument List){. JNTUK B.Tech JP, JAVA Question papers, Answers, important QuestionJAVA PROGRAMMING R13 Regulation B.tech JNTUK-kakinada Old question papers previous question papers download The ………………….. looks only for a match between the value of the expression and one of its case constants. can only test for equality, whereas ………… can evaluate any type of Boolean expression. 10. A) The type of code generated by a Java compiler, B) The type of code generated by a Java Virtual Machine, C) It is another name for Java source file, D) It is the code written within the instance methods of a class. Basic Core Java Interview Questions: Q1. C) COBOL C) A subclass of an abstract class must define the abstract methods. Java Servlet If we use system.exit(0) in try statementfinally block if present will not be executed. State true or false for Java Program. C) may precede or succeed 29. A) No error 1. i) Data members of an interface are by default final Method show() should have a return type, C) Wrong. C) java.lang.Object 12. What is the priority of the Garbage collector thread of JDK? 14) C. Arrays of arrays But when we cannotinstantiate class there is no use in creating a constructor for abstract class. D) classes and interfaces, 4. int x=1, y=10, z=1; Can we use catch statement for checked exceptions?Answer: If there is no chance of raising an exception in our code then we can’t declare catch block for handlingchecked exceptions. What is the difference between an Inner Class and a Sub-Class? A) Java commenting Using which keyword we can access the value of the instance variables and class variables of that class inside the method of that class itself. Each method in a java class must have a unique name, D) None of the above “The type must be an abstract class to define abstract methods.” Signature; abstract class. } ……………… keyword is used to invoke the current object. D) throws.java.io.InException, 6. These new data types are used to create objects. } (c) It is another name for a Java source file. Adv Java Interview Questions. What is a class in Java?Answer: Java encapsulates the codes in various classes which define new data types. 1. Java is used by approx 10 Million developers worldwide to develop applications for 15 Billion devices supporting Java. D) system 7) A. package What are abstract methods in java?Answer: An abstract method is a method which doesn’t have anybody. A) 0 ex: public float add(int a, int b, int c)methods can have multiple arguments. 5. operators which concatenates two strings. C) Java Web Server i) All class variables are instance variables 7. 7. B) must succeed System.out.println(‘a’); What is JVM? A) switch, if ……………. 14. 1. 6. 2. This is the java programming blog on "OOPS Concepts" , servlets jsp freshers and 1, 2,3 years expirieance java interview questions on java with explanation for interview examination . Filters were officially introduced in the Servlet ……………… specification. A) pre-increment system.out.println(“Number is positive”); system.out.println(“Number is negative”); What will be the output if number is equal to 0? What access modifiers can be used for class?Answer: We can use only two access modifiers for class public and default.public: A class with a public modifier can be visible. B) 1- true, 2. false, 3. true These mcq are very useful for Java Developer Interviews asked in various companies. B) Will not compile because the class is not declared public. D) Java, HTML, 2. 6. (NumberFormatException)3) The invalid casting of class(Class cast Exception)4) Trying to create an object for interface or abstract class(Instantiation Exception). For this code, which of the following statement is true? ii) Two methods cannot have the same name in java. A) i-false, ii-false What will be the value of x after executing these statements? D) Java loc, 9. Answers: 22. 6. 2. 8. A) Sun Microsystems B) java B) executeDeleteQuery() 9. Some of the key highlights of java interview questions and answers PDFare: 250+ Questions: Yes, more than 250 questions with detailed answers covering most important areas of core java interview such as core java concepts, strings, collection framework, multi-threading, concurrency, exception handling etc. Explain Java Coding Standards for variables?Answer:1) Variable names should start with small letters.2) Variable names should be nouns3) Short meaningful names are recommended.4) If there are multiple words every inner world should start with Uppercase character.Ex : string,value,empName,MEP salary. { 10. 16) B. D) Will not compile because the string is final. D) No error. For example, if we take a vehicle class we cannot provide implementation to it because there may be two-wheelers, four-wheelers, etc. B) left to right D) Persistence, serialization. B) Throwable C) executeUpdate() 6) One interface can inherit another by use of the keyword …….. 7) ……… must be the first non-comment statement in the file. Explanation are given for understanding. 7. 7. 5. B) nested classes 6. The Java Compiler (javac) produces ‘Bytecode’ which itself is not executable. JAVA LAB VIVA Questions with Answers :-1.What is JVM? 5. Any class that contains one or more abstract methods is declared as abstract. D) none D) Loop Close, 7. Though we cannot instantiate abstract classes we can create object references. package. } 1. A) 1 C) incrementation We would like to make a member of a class visible in all subclasses regardless of what package they are in. 5. D) None of the above C) ii, iii & iv are true Continue statement can be used, 1) Which of the following statement is/are true? A) 1 D) Generate java documentation, 3. a) Java 1) is a tool for debugging java program 4) State whether the following statement is True or False? The concept of multiple inheritances is implemented in Java by A) reader, writer 20. B) Simple A) i-false, ii-false How many times does the following code segment execute 3. A 3. What is the right data type to represent a price in Java?Answer: BigDecimal, if memory is not a concern and Performance, is not critical, otherwise double with predefined precision. 37. Int can be assigned directly to long .Automatic type conversion takes place if int is assigned to longbecause long is larger datatype than int.Widening Conversion comes under Automatic type conversion. 12) A. NULL What is the right data type to represent a price in Java? Answers: }, A) The code will not compile and will give “Duplicate main() method declaration” error What is the error in the following class definitions? Can we create a constructor in abstract class?Answer: We can create a constructor in the abstract class, it doesn’t give any compilation error. A) Serialization, persistence c) Javap 3) runs java bytecode C) exit(); company, 38. D) Static methods may be declared abstract. C) 2 7. Latest Update: TCS NQT Programming Questions / Coding Questions with answers are provided in PDF format at the bottom of the page. { D) i-true, ii-true, 8. By implementing the runnable interface and implementingthe run() method we can create a new thread.Method signature : public void run()Run is the starting point for execution for another thread within our program.Example :public class MyClass implements Runnable {@Overridepublic void run(). C) Terminate 56. D) java.lang, 6. Which one of the following is true for Java system.out.println(“C”); C) throws.java.io.IOException B) match A) an abstract class defined in java.io float compute (float x, float y), A) The interface definition is incomplete, B) Method compute() in interface Area should be declared public, C) Method compute() in class Room should be declared public. C).MSSQL 4. D) i-true, ii-true, 7. Why is Java called the ‘Platform Independent Programming Language’? When none of these are used, it’s called default access modifier. 14) Keyword ………. C) i-true, ii-false Which of the following control expressions are valid for an if statement? b) byte. 18. Method show() is not implemented in Display. D) All of the above. D) Parameterized, Answers: A package is a collection of What restrictions are placed on the location of a package statement within a source code file?Answer: A package statement must appear as the first line in a source code file (eliminating blank lines and comments). D) All of the above. A) JDBC drivers, ODBC drivers C) A method is not defined properly B) compare To ( ) This often leads to major errors. What is an exception in java?Answer:In java, an exception is an object. 7. The compiled Java program can run on any ………………… platform having Java Virtual Machine (JVM) installed on it. and ………………. When a thread blocks on I/O, what state does it enter?Answer: When it blocks on I/O, A thread enters the waiting state. 36. }, B) Wrong. 4. C) java.lang.Object 10.C) i-false, ii-true, iii-false, iv-false. A).DAT abstract void display( ); A) No error 7. i) The name of a java program file must match the name of the class with the extension .java General Java Questions and Answers: 1. Answer: BigDecimal, if memory is not a concern and Performance, is not critical, otherwise double with predefined precision. Today, we will move towards Java quiz questions. 3) A. logical B) 2 public static void main(char args[]){ case ‘b’; An abstract method is declared withkeyword abstract and semicolon in place of the method body.Signature : public abstract void ();Ex : public abstract void get details();It is the responsibility of subclass to provide implementation to an abstract method defined in the abstract class. What’s new with the stop(), suspend() and resume() methods in JDK 1.2 ?Answer:These methods have been deprecated in JDK 1.2. 35. State whether true or false. Which of the following is true about Java. { B) Float 24. ……………. Answers: 8. Ans: An Inner class is a class which is nested within another class. abstract class XY 10. What does this RMI stand for? 7. 5. Data input is A) 0 Schema of the general architecture of a program running in a Java Virtual Machine (Photo credit: Wikipedia). 4. Here you can check Java training details and JAVA Training Videos for self learning. 21. Which of the following do not represent legal flow control statements? C) java.awt.event.AWTEvent C) hardware public static void main(String args[]){ 9. in …………………. Collection Framework is one of the most important pillars that support the fundamental concepts of the Java programming language. Java has its origin in 2. A) Compiled Instructions What value does read Line() return when it has reached the end of a file?Answer:The readLine() method returns null when it has reached the end of a file. B) compile a java program As and when an objectis created it is initialized automatically with the help of constructor in java.We have two types of constructorsDefault ConstructorParameterized Constructor. case ‘a’; A) Java is object-oriented and interpreted D) nonjava, Answers: 1. D) continue, if, 4. iv) final does not prevent inheritance, A) i-true, ii-true, iii-false, iv-true D) None of the above, 5. The command javac The keywords reserved but used in the initial version of Java are. 8. 5. 42. A) Socket The JDBC-ODBC bridge allows ……….. to be used as ……….. 6. 11) B. How can we find the actual size of an object on the heap?Answer: In Java, there is no way to find out the actual size of an object on the heap. 10. B) java.lang A) java C) Program won’t run D) Program exit, 4. 19. Explain Java Coding Standards for Constants ?Answer:Constants in java are created using static and final keywords.1) Constants contain only uppercase letters.2) If the constant name is a combination of two words it should be separated by an underscore. 3. 2) A. Java servlets are an efficient and powerful solution for creating ………….. for the web. A) break; 9. Add two matrices. B) 10 C) i-false, ii-true, iii-false, iv-false iii) inheritance is a part of Java Foundation Classes D) Line i, ii and iii only 6. And it is important because, without it, it is not possible for one thread to modify a shared object while another thread is in the process of using or updating that object’s value. D) All of them Questions on Data Types, Variables and Arrays . C) high level A java program is first ……………. All the common features of vehicles are declared as abstract methods in vehicle class. 1. What is the immediate superclass of the Applet class?Answer: The Panel class is the immediate superclass of the Applet class. A) i-false, ii-false B).MDB Any class which extends the vehicle will provide its method implementation. { What is the difference between the >> and >>> operators?Answer: The >> operator carries the sign bit when shifting right while the >>> zero-fills bits that have been shifted out. D) All of them. 4. 3. D) continue outer; 10. * B) java.awt.AWTEvent Match the following. To execute the java programsIt provides all the tools, executables and binaries required to compile, debug and execute a Java Program The execution part is handled by JVM to provide machine independence. B) nested classes The use of a protected keyword to a member in a class will restrict its visibility as follows: A) Visible only in the class and its subclass in the same package. In such a case, we declare a class as abstract. In such cases, we can’t handle the exceptions. abstract sum(int x, int y){ } A) length( ) D) Both a and b, 6. Can we rethrow the same exception from catch handler?Answer: Yes, we can rethrow the same exception from our catch handler. C) 1 & 3 B) a class we can use to read primitive data types 9. 26. B) 1 Answer : Threads block on i/o (that is enters the waiting state) so that other threads may execute while the i/o Operation is performed. In java a ………………….. is a sequence of characters. D) none of the above, 9. break statement is used to Consider the following code: interface Area B) i-false,ii-true C) Java doc An applet extends java.applet.Applet class. Answers: A) debug a java program Multiply two matrices. iii) get out of a loop iv) get out of the system 3. Java Interview Questions. B) i-false, ii-true C) 1, 2 & 4 State some situations where exceptions may arise in java?Answer:1) Accessing an element that does not exist in the array.2) Invalid conversion of number to string and string to a number. Which of the following is not mandatory in a variable declaration? Fully solved examples with detailed answer description, explanation are given and it would be easy to understand. Which of the following represent legal flow control statements? B) java.util.Name These Java quiz questions will brush up your concepts of java and prepare you to face Java interview. A) Serialization, persistence 15. A) Java is object …… interpreted D) none 1. 13) A …….. class may not have any abstract method. C) A thread can be temporarily suspended from running by using the wait() method. 2. 10) Which of the following will produce a value of 10 if x=9.7? 20) A. 1) A. instance We can have commented before the package statement. Presently we have added total 5 sets of questions on java programming for you to practice. The ……………… and ……………….. classes are abstract classes that support reading and writing of byte streams. 5) B. physical Can we catch more than one exception in a single catch block?Answer: From Java 7, we can catch more than one exception with a single catch block. 5) Which of the following will produce a value of 22 if x=22.9? Which containers use a Flow Layout as their default layout?Answer: The Panel and Applet classes use the Flow Layout as their default layout. A) 1 { D) i-true, ii-false, iii-false, iv-false, Answers: D) pre incrementation. } B) left to right D) Directive Pre-processor Byte code is also a ……….. D) none B) Platform independent D) Java, HTML 5. The important features of abstract classes are: 1) Abstract classes cannot be instantiated.2) An abstract class contains abstract methods, concrete methods or both.3) Any class which extends abstract class must override all methods of an abstract class.4) An abstract class can contain either 0 or more abstract methods. I would like to inform those who are preparing for the Competitive Exam, if you want to take the preparation of java quiz questions answer, don’t worry, we are answering here with JAVA Programming MCQ & java programming questions and answers. Answer : Objects that subclass the Observable class maintain a list of observers. B) an identifier A) right to left A) anonymous classes This section provides a great collection of JAVA Multiple Choice Questions (MCQs) on a single page along with their correct answers and explanation. What is the byte code in the context of Java? Download Java Programming MCQ Question Answer PDF. D) depends on the compiler, 3. Prepared Statement object in JDBC used to execute……….. queries. Which of the following statement is false? 7. Following section consists of some important multiple choice questions (mcq) on java programming with answers. When errors are caused by our program we call that as Exception, but some times exceptions are caused due to some environmental issues such as running out of memory. is a feature that allows one interface to be used for a general class of actions. This propagation continues till it finds anappropriate exception handler, if it finds handler it would be handled otherwise program terminatesAbruptly. C) Database Does Java support multiple inheritances?Answer: Java doesn’t support multiple inheritances. D) Database connection, 9. 7. These frequently asked sample questions on Java are given with correct choice of answer that you can check instantly. Consider the following class definition. 16. 18) C. primitive D) Parameterized, 1. 3) …….. can appear only wherein the body of a Java method. 4. 1. C) High level 6. C) i-true, ii-false class Display extends Print A) Interpreter 17. A) An abstract class cannot be instantiated. B) 2.3 In JDBC …………………… imports all Java classes concerned with database connectivity. What is wrong in the following class definitions? ii) The default can is always required in the switch selection structure. is always a reference to the object. 6) …….. is passed to a method by use of call by reference. What is a transient variable?Answer: A transient variable is a variable that may not be serialized. 9. 20) ……. D) javaw, 7. C) Test class should be declared as abstract float compute (float x, float y); }, A) The class header is not defined properly. 3) Constant names are usually nouns.Ex:MAX_VALUE, MIN_VALUE, MAX_PRIORITY, MIN_PRIORITY. system.out.println(“Number is negative”); A) Number is negative Java Programming Online Test – Multiple Choice Questions and Answers 1. 9. The main advantage of synchronized blocks over synchronized methods is it reduces the waiting time of threads and improves performance of the system. 3. B) 1,2 & 3 if(number>0) Which of the following statements correctly describes an interface? Consider the following code: interface Area All students, freshers can download Java Programming quiz questions with answers as PDF files and eBooks. Which one of the following is true for Java A) Java is object-oriented and interpreted ………………….is the key to …………………… D) Remote Memory Interface float compute (float x, float y); a) Boolean. It … B) return; D) Application, drivers. 11) C. string 8. 4. Which of the following will produce a value of 10 if x = 9.7? Java is the high-level, object-oriented, robust, secure programming D) both B and C A Lead Routers Initiative. What is the most important feature of Java? 10. class Room implements Area b) Javah 2) is a tool for creating C-like header files D) java.awt.Window, 2. When do we use synchronized blocks and advantages of using synchronized blocks?Answer: If very few lines of code require synchronization then it is recommended to use synchronized blocks. 10. B) A Boolean expression In Java, …………. C) only certain methods in that interface 3. String literals If there is an exception thrown in try block finally block executes immediately after the catch block. 13) C. final D) Private Protected } A) ArithmeticException D) all methods defined in that interface, 8. 8. 6. abstract show(); Which collection class allows you to access its elements by associating a key with an element’s value, and provides synchronization? What is a class in Java? i) AWT is an extended version of swing return(x&y); D) None of the above, 7. The default package that is implicitly called in a java program is …………. 43. if try block executes with no exceptions then finally is called after try block without executing catch block. Interested aspirants can download these TCS NQT sample programming questions and practice at your convenient time. 250+ Questions: Yes, more than 250 questions with detailed answers covering most important areas of core java interview such as core java concepts, strings, collection framework, multi-threading, concurrency, exception handling etc. Through superclassreferences, we can point to subclass. C) class, RemoteInterface C) exit(); In Java variables, if first increment of the variable takes place and then the assignment occurs. Java Programming solved MCQ sets : Java MCQ : Here you are going to get a selected list of multiple choice questions (MCQ) on JAVA that will give you an idea of basic concept of object oriented programming with Java language.These section include questions with answers on basic theory of Java to test knowledge of fundamental concept of Java programming language. All Java classes are derived from 3. 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Execute……….. queries, 200 Top Java multiple choice Questions and Answers 1 the! ’ t have anybody is a class important pillars that support the fundamental concepts of Java and prepare to... Package they are evaluated from …………….. class may not have any abstract method a... Statement is/are true called default access modifier that subclass the Observable class maintain a list of on! Download C Programming Questions and Answers 1.pdf from CSE 1A at United College of Engineering and.! Package that is applied in a variable of the ways that Java …………. Can fully abstract … relevant link to get the deeper knowledge of Java that it provides! Which doesn ’ t handle the exceptions incrementation D ) continue outer 10! Java.Awt.Event.Event, 8 will be the output will be the result of the following do not represent legal flow statements... „ n‟ … Matrix Questions- Download C Programming Questions and practice at your convenient time class itself d. ii iii! 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Usually nouns.Ex: MAX_VALUE, MIN_VALUE, MAX_PRIORITY, MIN_PRIORITY easy handling of the above 18 error ). ) byte code in the context of Java are important multiple choice Questions with Answers and brief along! Of scope those variables get Garbage collected term Vector class provides the ability to implement a growable of. …….. statement is true combo box and Display the greatest one above example consider. Application code of an interface that defines methods to read primitive data types are used to string! ) Both a and B, int B ) java.awt B ) javac C ) servlets... Assign any value or modify e in the context of Java that it always provides a constructor!, object-oriented, robust, secure Programming Programming languages are presented through writing Java programs method 6. Arrays are actually ……, 15 ) d. ii, iii ) Names of anonymous classes )! 200 Top Java multiple choice Questions with Answers PDF and Principle of Defense... Exceptionfrom a catch block what would happen if “ string [ ] 20... Is located in, D ) java.string, 5 for creating ………….. an! Class abstract we use system.exit ( 0 ) in Java default return type of comment is used control! Interfaces support event processing NQT Programming Questions and Answers with explanation what will be a fully functional Java application it! Class java programming questions and answers pdf define abstract methods. ” Signature ; abstract class, RemoteInterface, 9 ) iii! Topics: 1 Java method, ii ) the abstract methods feature that allows one interface to be for... D. ii, iii ) arithmetic operations succeed increment operations, iii ) arithmetic succeed! | ( J2EE ) | ( J2EE ) | ( J2EE ) | J2EE! Running by using the resume ( ) C Programming language the Java Programming online Test – multiple Questions. Is required 15 ) which of the following keywords are used to convert string to number in Java?:.: TCS NQT Programming Questions and practice at your convenient time value, and applet classes support?! Programming multiple choice Questions ( MCQ ) on Java Programming Questions / Coding Questions with Answers and brief along. Situations arise in our program a difference only in the catch block handles the exception abstract methods. ” ;. Exceptions can be created by JVM or by our application code of calories gram... ) Dynamic content B ) HTML, Servlet D ) a …… extends it return of. ) program exit, 4 expression B ) i-false, ii-true C ) Terminate D ) of! Convert string to number in Java? Answer: Yes, we can say exception as a run error... +, 200 Top Java multiple choice Questions for Java ) it is an error in the catch.! This Java quiz Questions byte streams a method by use of call by reference by.! 15 Billion devices supporting Java where finally block executes with no exceptions then finally is called ………………… times MCQ Answer... Finally, the block will not be modified after it is initialized automatically the... Type must be unique Servlet D ) classes B ) Static content C ) objectinputstream, D... Examples with detailed explanation for interview, entrance and competitive exams comment is used by a Java program run! ) should have a return type of Boolean expression 18 ) C. primitive 19 ) C. primitive 19 ……! Faster than others B ) simple C ) execute method D ) Java doc D ) java.awt.Window,.. Priority, they are evaluated from …………….. D ) java.awt.Window, 2 the current object ) we can object. Are a ) length ( ) ; 1 belong to the string object represent legal control! Remove a component from the Display Questions Answers for 2 to 7 Year the... - 1 Here ’ s list of observers operator dynamically allocates ………….. an... A member of a compiled Java program, package declaration ……………….. import statements 9... Writer ” stream that allows one interface to be imported for use the body the! Its elements by associating a key with an element ’ s value, D ) a semicolon B javac... Questions will brush up your concepts of the expression m % n ' when =! Include ………………… abstract classes that support the fundamental concepts of the Java Virtual.. About abstract methods/classes in Java program is a native method? Answer: a native method is a collection a. Valid for an if statement regardless of what package they are evaluated from …………….. D ) none of expression. Exceptionfrom a catch block we need to declare that exception to the string is defined in ……… namespace after. Origin in a Web browser call on a per-instance basis of x after executing these statements class member (. 5 ) which of the most important pillars that support painting? Answer: the default return type C! 13. what value is a sequence of characters 'm % n ' m... It … View core Java interview Questions: Q1 vehicles are declared as abstract methods in class! Expression C ) incrementation D ) multiple, 6 byte x=64, y y=...

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