. What is the output of relational operators?

a) Integer

b) Boolean

c) Characters

d) Double

2. Which of these is returned by "greater than", "less than" and "equal to" operators?

a) Integers

b) Floating - point numbers

c) Boolean

d) None of the mentioned

3. Which of the following operators can operate on a boolean variable?

1. &&

2. ==

3. ?:

4. +=

a) 3 & 2

b) 1 & 4

c) 1, 2 & 4

d) 1, 2 & 3

4. Which of these operators can skip evaluating right hand operand?

a) !

b) |

c) &

d) &&

5. Which of these statements is correct?

a) true and false are numeric values 1 and 0

b) true and false are numeric values 0 and 1

c) true is any non zero value and false is 0

d) true and false are non numeric values

View Answer

6. What will be the output of the following Java code?

class Relational_operator

{

public static void main(String args[])

{

int var1 = 5;

int var2 = 6;

System.out.print(var1 > var2);

}

}

a) 1

b) 0

c) true

d) false

7. What will be the output of the following Java code?

class bool_operator

{

public static void main(String args[])

{

boolean a = true;

boolean b = !true;

boolean c = a | b;

boolean d = a & b;

boolean e = d ? b : c;

System.out.println(d + " " + e);

}

}

a) false false

b) true ture

c) true false

d) false true

8. What will be the output of the following Java code?

class ternary_operator

{

public static void main(String args[])

{

int x = 3;

int y = ~ x;

int z;

z = x > y ? x : y;

System.out.print(z);

}

}

a) 0

b) 1

c) 3

d) -4

9. What will be the output of the following Java code?

class Output

{

public static void main(String args[])

{

int x , y = 1;

x = 10;

if (x != 10 && x / 0 == 0)

System.out.println(y);

else

System.out.println(++y);

}

}

a) 1

b) 2

c) Runtime error owing to division by zero in if condition

d) Unpredictable behavior of program

10. What will be the output of the following Java code?

class Output

{

public static void main(String args[])

{

boolean a = true;

boolean b = false;

boolean c = a ^ b;

System.out.println(!c);

}

}

a) 0

b) 1

c) false

d) true