Highest voted questions in Java / GATE Overflow for GATE CSE

7 votes

2 answers

1

ISRO2011-72
Find the output of the following Java code line System.out.printIn(math.floor(-7.4)) -7 -8 -7.4 -7.0

Find the output of the following Java code line System.out.printIn(math.floor(-7.4))-7-8-7.4-7.0

go_editor

3.9k views

go_editor asked Jun 23, 2016

5 votes

3 answers

2

ISRO2011-44
In Java, after executing the following code what are the values of x, y and z? int x,y=10; z=12; x=y++ + z++; x=22, y=10, z=12 x=24, y=10, z=12 x=24, y=11, z=13 x=22, y=11, z=13

In Java, after executing the following code what are the values of x, y and z?int x,y=10; z=12;x=y++ + z++;x=22, y=10, z=12x=24, y=10, z=12x=24, y=11, z=13x=22, y=11, z=1...

go_editor

3.9k views

go_editor asked Jun 22, 2016

4 votes

1 answer

3

ISRO-2013-64
What is the output of the following program? Class Test { public static void main (String [] args) { int x = 0; int y = 0 for (int z = 0; z < 5; z++) { if((++x >2)||(++y > 2)) { x++; } } System.out.printIn (x+ "" + y); } } 8 2 8 5 8 3 5 3

What is the output of the following program?Class Test { public static void main (String [] args) { int x = 0; int y = 0 for (int z = 0; z < 5; z++) { if((++x >2)||(++y ...

makhdoom ghaya

3.5k views

makhdoom ghaya asked May 5, 2016

3 votes

3 answers

4

ISRO2017-74
Which of these is a super class of all errors and exceptions in the Java language? Runtime Exceptions Throwable Catchable None of the above

Which of these is a super class of all errors and exceptions in the Java language?Runtime ExceptionsThrowableCatchableNone of the above

sh!va

7.1k views

sh!va asked May 7, 2017

3 votes

1 answer

5

ISRO-2013-79
The built-in base class in java, which is used to handle all exceptions is Raise Exception Error Throwable

The built-in base class in java, which is used to handle all exceptions isRaiseExceptionErrorThrowable

makhdoom ghaya

6.4k views

makhdoom ghaya asked Jun 5, 2016

2 votes

1 answer

6

NIELIT 2017 July Scientist B (IT) - Section B: 42
Which of the following is false about abstract classes in Java? If we derive an abstract class and do not implement all the abstract methods, then the derived class should also be marked as abstract using 'abstract' ... . A class can be made abstract without any abstract method. A class can inherit from multiple abstract classes.

Which of the following is false about abstract classes in Java?If we derive an abstract class and do not implement all the abstract methods, then the derived class should...

admin

33.6k views

admin asked Mar 30, 2020

2 votes

1 answer

7

NIELIT 2017 July Scientist B (IT) - Section B: 43
Which of the following is true about interfaces in Java? An interface can contain following type of members. $\dots$ public, static, final fields(i.e., constants)$\dots$default and static methods with bodies. An instance of interface can be created. A class can implement multiple ... . $1,3$ and $4$ $1,2$ and $4$ $2,3$ and $4$ $1,2,3$ and $4$

Which of the following is true about interfaces in Java? An interface can contain following type of members. $\dots$ public, static, final fields(i.e., constants)$\dots$...

admin

10.8k views

admin asked Mar 30, 2020

2 votes

3 answers

8

UGC NET CSE | August 2016 | Part 3 | Question: 42
Java uses threads to enable the entire environment to be ______. Symmetric Asymmetric Synchronous Asynchronous

Java uses threads to enable the entire environment to be ______.SymmetricAsymmetricSynchronousAsynchronous

makhdoom ghaya

2.6k views

makhdoom ghaya asked Oct 4, 2016

2 votes

3 answers

9

UGC NET CSE | June 2016 | Part 3 | Question: 40
Which of the following statements is correct? Every class containing abstract method must not be declared abstract Abstract class cannot be directly initiated with new operator Abstract class cannot be initiated Abstract class contains definition of implementations

Which of the following statements is correct?Every class containing abstract method must not be declared abstractAbstract class cannot be directly initiated with new oper...

go_editor

10.9k views

go_editor asked Aug 20, 2016

2 votes

1 answer

10

UGC NET CSE | December 2014 | Part 3 | Question: 42
Which method is called first by an applet program ? start( ) run( ) init( ) begin( )

Which method is called first by an applet program ? start( ) run( ) init( ) begin( )

makhdoom ghaya

1.5k views

makhdoom ghaya asked Jul 28, 2016

2 votes

3 answers

11

ISRO2014-29
Consider the following Java code fragment: public class While { public void loop() { int x = 0; while(1) { System.out.println("x plus one is" +(x+1)); } } } There is syntax error in line no. 1 There is syntax errors in line nos. 1 & 6 There is syntax error in line no. 8 There is syntax error in line no. 6

Consider the following Java code fragment:public class While { public void loop() { int x = 0; while(1) { System.out.println("x plus one is" +(x+1)); } } }There is syntax...

shivanisrivarshini

5.0k views

shivanisrivarshini asked Jun 27, 2016

1 votes

1 answer

12

NIELIT Scientific Assistant A 2020 November: 68
Which of the following construct is not supported by Java Server Pages? $\text{JSP}$ Directives $\text{JSP}$ Scriptlets $\text{JSP}$ Actions $\text{JSP}$ Reaction

Which of the following construct is not supported by Java Server Pages?$\text{JSP}$ Directives$\text{JSP}$ Scriptlets$\text{JSP}$ Actions$\text{JSP}$ Reaction

gatecse

415 views

gatecse asked Dec 9, 2020

1 votes

1 answer

13

NIELIT Scientific Assistant A 2020 November: 74
What is the output of the following program? abstract class sum { public abstract int sumOfTwo(int n1, int n2); public abstract int sumOfThree(int n1, int n2, int n3); public void disp(){ System.out.println("Method of class Sum"); } } class ... $26\\10\\\text{Method of class Sum}$ $\text{Method of class Sum}\\26\\10$ $\text{Error}$

What is the output of the following program?abstract class sum { public abstract int sumOfTwo(int n1, int n2); public abstract int sumOfThree(int n1, int n2, int n3); pub...

gatecse

407 views

gatecse asked Dec 9, 2020

1 votes

1 answer

14

NIELIT Scientific Assistant A 2020 November: 84
The static keyword is used in public static void main() declaration in Java: To enable the $\text{JVM}$ to make call to the main(), as class has not been instantiated To enable the $\text{JVM}$ to make call to the main(), as class ... as class has not been loaded To enable the $\text{JVM}$ to make call to the main(), as class has not been finalized

The static keyword is used in public static void main() declaration in Java:To enable the $\text{JVM}$ to make call to the main(), as class has not been instantiatedTo en...

gatecse

471 views

gatecse asked Dec 9, 2020

1 votes

1 answer

15

NIELIT Scientific Assistant A 2020 November: 89
Which of the following Interface is not supported by $\text{JDBC}$ for connecting to Database in Java Programming language? Statement Interface Prepared Statement Interface Callable Statement Interface Database Interface

Which of the following Interface is not supported by $\text{JDBC}$ for connecting to Database in Java Programming language?Statement InterfacePrepared Statement Interface...

gatecse

465 views

gatecse asked Dec 9, 2020

1 votes

1 answer

16

NIELIT Scientific Assistant A 2020 November: 107
In the given program: class Dialog1 { public static void main(String args[]) { Frame f1=new Frame("INDIA"); f1.setSize(300,300); f1.setVisible(true); FileDialog d=new FileDialog(f1,"MyDialog"); d.setVisible(true); ... of the following statements are true? f1.setClear(true); f1.setVisible(true); f1.setlook(true); f1.setclean(true);

In the given program:class Dialog1 { public static void main(String args[]) { Frame f1=new Frame("INDIA"); f1.setSize(300,300); f1.setVisible(true); FileDialog d=new File...

gatecse

476 views

gatecse asked Dec 9, 2020

1 votes

1 answer

17

NIELIT Scientific Assistant A 2020 November: 108
Which of the following are two main types of overloading in Java? Overloading and linking Overriding and linking Reusability and data-hiding Overloading and Overriding

Which of the following are two main types of overloading in Java?Overloading and linkingOverriding and linkingReusability and data-hidingOverloading and Overriding

gatecse

402 views

gatecse asked Dec 9, 2020

1 votes

2 answers

18

NIELIT Scientific Assistant A 2020 November: 110
In Java, for ensuring the persistence property, the class must implements: Serializable Interface Utilization Interface Threadable Interface Recognizable Interface

In Java, for ensuring the persistence property, the class must implements:Serializable InterfaceUtilization InterfaceThreadable InterfaceRecognizable Interface

gatecse

589 views

gatecse asked Dec 9, 2020

1 votes

1 answer

19

NIELIT Scientific Assistant A 2020 November: 112
In Java, the Dynamic Array are known as : Vectors Cycle Remote Kubernotos

In Java, the Dynamic Array are known as :VectorsCycleRemoteKubernotos

gatecse

678 views

gatecse asked Dec 9, 2020

1 votes

1 answer

20

NIELIT 2017 July Scientist B (IT) - Section B: 41
Which of the following is/are true about packages in Java? Every class is part of some package. All classes in a file are part of the same package. If no package is specified, the classes in the file go into a special unnamed package. If no package is specified, a ... in this package. Only $1,2$ and $3$ Only $1,2$ and $4$ Only $4$ Only $1$ and $3$

Which of the following is/are true about packages in Java? Every class is part of some package.All classes in a file are part of the same package.If no package is specif...

admin

6.8k views

admin asked Mar 30, 2020

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