Bitwise operators questions in java

Bit wise operators objective type questions and answers 

(1)

public class BitwiseOpe {

    public static void main(String[] args) {

         int a=010;

         Integer b=10;

         double d=~a|(b=a)<<2+b;

         System.out.print(d);

    }

}

What will output when you compile and run the above code?

(a)32768.0

(b)-9.0

(c)1.0

(d)Compiler error

Answer: (b)

(2)

public class BitwiseOpe {

    public static void main(String[] args) {

         int a=010;

         char c='a';

         double d=-c%-2.D+(a^=2)-2;

         System.out.print(d);

    }

}

What will output when you compile and run the above code?

(a)-7.0

(b)-8.0

(c)-9.0

(d)Compiler error

Answer: (a)

(3)

public class BitwiseOpe {

    public static void main(String[] args) {

         int a=010;

         char c='0';

         double d=++a + 2.0^c;

         System.out.print(d);

    }

}

What will output when you compile and run the above code?

(a)61.0

(b)59.0

(c)59.000000

(d)Compiler error

Answer: (d)

(4)

public class BitwiseOpe {

    public static void main(String[] args) {

         int j=10;

         j&=j|3;

         System.out.print(j);

    }

}

What will output when you compile and run the above code?

(a)11

(b)10

(c)true

(d)Compiler error

Answer: (b)

(5)

public class BitwiseOpe {

    public static void main(String[] args) {

         byte a=010,b=-12;

         int c=a|b;

         System.out.print(c);

    }

}

What will output when you compile and run the above code?

(a)12

(b)-4

(c)-12

(d)Compiler error


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