JAVA - OPERATORS AND CONTROL STATEMENTS MCQs

Which of the following can be operands of arithmetic operators?

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

With x = 0, which of the following are legal lines of Java code for changing the value of x to 1?
1. x++;
2. x = x + 1;
3. x += 1;
4. x =+ 1;

Decrement operator, −−, decreases the value of variable by what number?

Which of these statements are incorrect?

What is the output of this program

    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);
 
        } 
    }

What is the output of this program?

    class Modulus 
    {
        public static void main(String args[]) 
        {    
             double a = 25.64;
             int  b = 25;
             a = a % 10;
             b = b % 10;
             System.out.println(a + " "  + b);
        } 
    }

Which of these is not a bitwise operator?

Which operator is used to invert all the digits in a binary representation of a number?

On applying Left shift operator, <<, on integer bits are lost one they are shifted past which position bit?

Which right shift operator preserves the sign of the value?

Which of these statements are incorrect?

What is the output of this program?

    class bitwise_operator 
    {
        public static void main(String args[])
        {
            int var1 = 42;
            int var2 = ~var1;
            System.out.print(var1 + " " + var2);      
        } 
    }

What is the output of this program?

    class bitwise_operator 
    {
        public static void main(String args[]) 
        {    
             int a = 3;
             int b = 6;
       int c = a | b;
             int d = a & b;             
             System.out.println(c + " "  + d);
        } 
    }

What is the output of relational operators?

Which of these is returned by “greater than”, “less than” and “equal to” operators?

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

1. &&
2. ==
3. ?:
4. +=

Which of these operators can skip evaluating right hand operand?

Which of these statements is correct?

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);
        } 
    }