Interview MCQs Test for Core Java - Level 2

int Output = 10;
boolean b1 = false;
if((b1 == true) && ((Output += 10) == 20))
{
    System.out.println("We are equal " + Output);
}
else
{
    System.out.println("Not equal! " + Output);
}  

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

class leftshift_operator {
        public static void main(String args[]) 
        {        
             byte x = 64;
             int i;
             byte y; 
             i = x << 2;
             y = (byte) (x << 2);
             System.out.print(i + " " + y);
        } 
    }

class selection_statements {
        public static void main(String args[])
        {
            int var1 = 5; 
            int var2 = 6;
            if ((var2 = 1) == var1)
                System.out.print(var2);
            else 
                System.out.print(++var2);
        } 
    }

class comma_operator {
        public static void main(String args[]) 
        {    
             int sum = 0;
             for (int i = 0, j = 0; i < 5 & j < 5; ++i, j = i + 1)
                 sum += i;
 	     System.out.println(sum);
        } 
    }

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);
        } 
    }