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  1. Practice
  2. Java
  3. Introduction
  4. Java Datatypes
  5. Discussions

Java Datatypes

  • ialmustafa + 2 comments

    casting will truncate value

    • kanhaiyabgs + 0 comments

      but here it every casting is in range its range we are dealing with int types so where comes the question of casting

    • zjesse1314 + 2 comments

      That messed me up. I casted and was not able to get the as long value. Once I remove it worked.

      • amitrajitbose9 + 3 comments

        We do not need to cast explicitly. We are just required to check the applicable ranges.

        if(x>=-128 && x<=127)
	System.out.println("* byte");
if(x>=-(Math.pow(2,15)) && x<=(Math.pow(2,15)-1))
	System.out.println("* short");
if(x>=-(Math.pow(2,31)) && x<=(Math.pow(2,31)-1))
	System.out.println("* int");
if(x>=-(Math.pow(2,63)) && x<=(Math.pow(2,63)-1))
	System.out.println("* long");
        • barathvicky + 1 comment

          i tried using appying the range directly but i couldnt able to clear two test cases

          • anshul_sri002 + 1 comment

            which?

            • barathvicky + 1 comment

              u added pow function but i tried with entering the range values like for byte -128 to 127 but i am not able to clear the 2 testcases among 4

              • ajay_2606 + 0 comments

                same here, could u help.

        • balavemulakonda + 0 comments

          but then..i thnk this wont work?

        • shwetham369 + 0 comments

          Thanks...

      • ritabandas2000 + 0 comments

        Casting is necessary because Math.pow function returns value in double