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  1. /*
  2.   Java Long Example
  3.   This example shows how an object of Long can be declared and used.
  4.   Long is a wrapper class provided to wrap long primitive value. It has a single
  5.   field of type long.
  6. */
  7.  
  8. public class LongExample {
  9.  
  10.   public static void main(String[] args) {
  11.     //create a Long object using one the below given constructors
  12.     //1. Create a Long object from long
  13.     long l = 10;
  14.     Long longObj1 = new Long(l);
  15.    
  16.     /*
  17.     2. Create a Long object from String. Please note that this method can
  18.     throw NumberFormatException if string doesnt contain parsable number.
  19.     */
  20.     Long longObj2 = new Long("5");
  21.    
  22.     //print value of Long objects
  23.     System.out.println(longObj1);
  24.     System.out.println(longObj2);
  25.   }
  26. }
  27.  
  28.  
  29. /*
  30. Output of the program would be
  31. 10
  32. 5
  33. */