Primitive data types questions in java

Data type mcq questions of java and answers


(1)

class Datatype {

    public static void main(String[] args) {

         byte num=(byte)130;

         System.out.print(num);

    }

}

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

         

(a)130

(b)3

(c)-126

(d)Compiler error

Answer: (c)

(2)

class Datatype {

    public static void main(String[] args) {

         byte num=130;

         System.out.print(num);

    }

}

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

(a)130

(b)3

(c)-126

(d)Compiler error

Answer: (d)

(3)

class Datatype {

   

    public static void main(String[] args) {  

         byte number=0101;

         System.out.print(number);

    }

}

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

(a)101

(b)65

(c)5

(d)Compiler error

Answer: (b)

(4)

class Datatype {

    public static void main(String[] args) {  

         short num=0x8fff;

         System.out.print(num);

    }

}

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

(a)589823

(b)Infinity

(c)NaN

(d)Compiler error

Answer: (d)

(5)

class Datatype {

    public static void main(String[] args){  

         char num=65;

         System.out.println(num);

    }

}

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

(a)65

(b)A

(c)0

(d)Compiler error

Answer: (b)


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