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Tip of the Day
Language: Java
Expertise: Intermediate
Feb 24, 2017

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Variable Argument Method

The following class describes a method that can accept a variable argument instead of a fixed argument list. This can be handy where the developer is not sure of the number of arguments that can come in for processing.

public class VariableArgs {

   public static void main(String args[]) {
       System.out.println("Sum of 2 args - 5 & 10: " + sumVarArgs(5,10));
       System.out.println("Sum of 3 args - 5, 10 & 20: " + sumVarArgs(5,10,20));
   }
   
    /* Method to accept variable arguments of type int. */
   private static int sumVarArgs(int... intArgs)
   {
       int sum = 0;
      //Reading all arguments and summing them
       for (int value: intArgs)
       {
           sum = sum + value;
       }
      //Returning the summation of all the arguments. 
       return sum;
   }
}
M S Sridhar
 
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