Java set 1

Find the output of the following program.

short x = 10;

x = x * 5;

System.out.print(x);

• 50

• 10

• compile error

• exception

Identify what can directly access and change the value of the variable res. package com.mypackage;

public class Solution{

private int res = 100;

}

• Any class

• only Solution class

• any class that extends solution

• none

To which of the following does the class string belong to.

• java.lang

• java.applet

• java.awt

• java.string

Output of Math.floor(5.9)?

• 5

• 6

• 5.0

• 5.5

What is the variables declared in a class for the use of all methods of the class called?

• Object

• Instance variables

• Reference variables

• None

When is the finalize() method called?

• Before Garbage Collection

• Before an Object goes out of Scope

• None

• Before a variable goes out of Scope

Identify the infinite loop

• for(;;)

• for(int i=0;i<1;i++)

• for(int i=0;;i++)

• All of the Above

What is Runnable?

• Method

• Interface

• Abstract Class

• Class

int[] x = {120, 200, 016};

for(int i = 0; i < x.length(); i++){

System.out.print(x[i] + “ “);

}

• 120 200 016

• 120 200 14

• Error

• 120 200 16

What does the operator >>>> do?

• Right Shift Operator

• Left Shift Operator

• Zero fill Left Shift

• Zero fill Right Shift