long Datatype in Java

Java Programming Language DataTypes in java (Article) DataTypes in java (Program)

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• Long data type is a 64-bit signed two's complement integer
• Minimum value is -9,223,372,036,854,775,808(-2^63)
• Maximum value is 9,223,372,036,854,775,807 (inclusive)(2^63 -1)
• This type is used when a wider range than int is needed
• Default value is 0L
• Example: long a = 100000L, long b = -200000L

Program:

 public class LongDataType {

   public static void main(String []args) {
      // this is declaration and initialization of variable a
	  // datatype is long
	  long a = 100000L;
	  // this is declaration and initialization of variable b
	  // datatype is long
       long b = -200000L;
      System.out.println(a); // it will print a variable
      System.out.println(b); // it will print b variable
   }
}

 

Output:

100000
-200000
Press any key to continue . . .

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