Computer Quiz(Java)(16-10-2020)

1. What will be the output of the following program code?

int a=0,b=30,c=40;

a=--b+c++ +b;

System.out.println(a);

• 97

• 90

• 98

• 100

What will be the output of the following code?

int a=27;

a/=3;

System.out.println(a);

• 24

• 30

• 9

• 3

The method which returns the value of the argument a which may be of either float or double data type rounded to the nearest integer is ________________

• Math.ceil(a)

• Math.floor(a)

• Math.round(a)

• Math.rint(a)

A bug in a program that causes it to operate incorrectly, but not to terminate abnormally is ______________

• Syntax Error

• Semantics Error

• Logical Error

• Runtime Error

Which among the following forms of Operators works with three Operands?

• Unary

• Binary

• Ternary

• Tertiary

Give the output of the following code.

class op

{

public static void main(String args[])

{

int m=0,n=0;

int p=--m*--n*n--*m--;

System.out.println(p);

}

}

• 1

• 0

• -1

• 2

Give the output of the following code?

public class op7

{

public static void main(String args[])

{

int i=11;

int j=i++ +i--;

System.out.println(j);

}

}

• 21

• 22

• 23

• 20

Which among the following is not a primitive data type in Java?

• int

• char

• float

• String

What is the type of casting done in the following code?

byte a=100;

short b=a;

• implicit

• explicit

• automatic

• a or b

The keyword that is used to declare symbolic constants is___________

• const

• constant

• final

• double