Saturday 10 October 2015

Data types

Java data type questions and answers with govind 

Java objective type data type questions and answers


(1)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          byte num=(byte)130;
          System.out.print(num);
     }
}





Output: -126

(2)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          byte num=130;
          System.out.print(num);
     }
}





Output: Compiler error

(3)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          byte number=0101;
          System.out.print(number);
     }
}





Output: 65

(4)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          short num=0x8fff;
          System.out.print(num);
     }
}







Output: compiler error

(5)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          char num=65;
          System.out.println(num);
     }
}





Output: A

(6)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          String str="india\0 usa";
          System.out.println(str);
     }
}






Output: India

(7)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          String str="india\11usa";
          System.out.println(str);
     }
}




Output: india usa

(8)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          String str="india\12usa";
          System.out.println(str);
     }
}





Output:
india
usa

(9)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          String str="india\rome";
          System.out.print(str);
     }
}





Output:
india
ome

(10)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          String str="japan\taskand";
          System.out.print(str);
     }
}





Output: japan askand

(11)What will be the output of following java program?

class Datatype{
     public static void main(String[] args){
          String str="local\national";
          System.out.print(str);
     }
}






Output:
local
ational

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