Operators And Assignments MCQ Questions

21. What is the output of relational operators?

A. Integer
B. Boolean
C. Characters
D. Double

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22. 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

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

A. &&
B. ==
C. ?:
D. +=

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

A. !
B. |
C. &
D. &&

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25. 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

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26. What is the output of this program?

  		 
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

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27. What is the output of this program?

  
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

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28. What is the output of this program?

  
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

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29. What is the output of this program?

  
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

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30. Which of these have highest precedence?

A. ()
B. ++
C. *
D. >>

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