Vivekquiz3

Vivekquiz3

University

10 Qs

quiz-placeholder

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Vivekquiz3

Vivekquiz3

Assessment

Quiz

Computers

University

Hard

Created by

VIVEK PANDEY

Used 4+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

class output {

public static void main(String args[])

{

double a, b,c;

a = 4.0/0;

b = 0/3.0;

c=0/0.0;

System.out.println(a);

System.out.println(b);

System.out.println(c);

}

}

Infinity

Nan

0.0

All

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

class increment {

public static void main(String args[])

{

int g = 4;

System.out.print(++g * 8);

}

}

40

32

8

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

class output {

public static void main(String args[])

{

try

{

System.out.println("Tata");

}

finally

{

System.out.println("Bye Bye");

}

catch(Exception e)

{

System.out.println("See you");

}

}

}

Tata

Bye Bye

See you

Error

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

class output {

public static void main(String args[])

{

String c = "Hello i love java";

boolean var;

var = c.startsWith("hello");

System.out.println(var);

}

}

True

0

1

false

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a superclass of every class in Java?

Abstract class

Interface

ArrayList

Object class

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these keywords are used for the block to be examined for exceptions?

try

catch

throw

throws

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

interface calculate

{

int VAR = 0;

void cal(int item);

}

class display implements calculate

{

int x;

public void cal(int item)

{

if (item<2)

x = VAR;

else

x = item * item;

}

}

class interfaces

{

 

public static void main(String args[])

{

display[] arr=new display[3];

 

for(int i=0;i<3;i++)

arr[i]=new display();

arr[0].cal(0);

arr[1].cal(1);

arr[2].cal(2);

System.out.print(arr[0].x+" " + arr[1].x + " " + arr[2].x);

}

}

0 1 2

0 2 4

0 1 4

0 0 4

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