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Java Examples - Use varargs with method


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Problem Description:

How to make a method take variable lentgth argument as an input?

Solution:

This example creates sumvarargs() method which takes variable no of int numbers as an argument and returns the sum of these arguments as an output.

public class Main {
   static int  sumvarargs(int... intArrays){
      int sum, i;
      sum=0;
      for(i=0; i< intArrays.length; i++) {
         sum += intArrays[i];
      }
      return(sum);
   }
   public static void main(String args[]){
      int sum=0;
      sum = sumvarargs(new int[]{10,12,33});
      System.out.println("The sum of the numbers is: " + sum);
   }
}

Result:

The above code sample will produce the following result.

The sum of the numbers is: 55


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