Java operators

Which of the following can be operands of arithmetic operators?

• Numeric

• Boolean

• Characters

• Boolean and characters

Modulus operator, %, can be applied to which of these?

• Integers

• Floating "“ point numbers

• Both Integers and floating "“ point numbers.

• None of the above

Decrement operator, “, decreases value of variable by what number?

• 1

• 2

• 3

• 4

class increment {

public static void main(String args[])

{

double var1 = 1 + 5; 

double var2 = var1 / 4;

int var3 = 1 + 5;

int var4 = var3 / 4;

System.out.print(var2 + " " + var4);

 

} 

}

• 1 1

• 1 0

• 1.5 1

• 1 0.2

class increment {

public static void main(String args[]) 

{        

int g = 3;

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

} 

}

• 25

• 24

• 32

• 36

class Output {

public static void main(String args[]) 

{    

int x , y;

x = 10;

x++;

--x;

y = x++;

System.out.println(x + " " + y);

} 

}

• 10 11

• 11 10

• 10 10

• 11 11

What should be expression1 evaluate to in using ternary operator as in this line? expression1 ? expression2 : expression3

• Integers

• Floating "“ point numbers

• Boolean

• None of the above

What is the value stored in x in following lines of code?

int x, y, z;

 x = 0;

 y = 1;

 x = y = z = 8;

• 0

• 9

• 8

• 7