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Showing content from https://www.tutorialspoint.com/javaexamples/method_varargs1.htm below:

How to use variable arguments as an input when dealing with method overloading in Java

How to use variable arguments as an input when dealing with method overloading?

This example displays how to overload methods which have variable arguments as an input.

public class Main {
   static void vaTest(int ... no) {
      System.out.print(
         "vaTest(int ...): " + "Number of args: " + no.length +" Contents: ");
      for(int n : no)System.out.print(n + " ");
      System.out.println();
   }
   static void vaTest(boolean ... bl) {
      System.out.print(
         "vaTest(boolean ...) " + "Number of args: " + bl.length + " Contents: ");
      for(boolean b : bl)System.out.print(b + " ");
      System.out.println();
   }
   static void vaTest(String msg, int ... no) {
      System.out.print(
         "vaTest(String, int ...): " + msg +"no. of arguments: "+ no.length +" Contents: ");
      for(int  n : no)
      System.out.print(n + " ");
      System.out.println();
   }
   public static void main(String args[]) {
      vaTest(1, 2, 3);
      vaTest("Testing: ", 10, 20);
      vaTest(true, false, false);
   }
}

The above code sample will produce the following result.

vaTest(int ...): Number of args: 3 Contents: 1 2 3 
vaTest(String, int ...): Testing: no. of arguments: 2 
Contents: 10 20 
vaTest(boolean ...) Number of args: 3 Contents: 
true false false 

The following is an another sample example of varargs with method overloading.

public class Vararg {
   static void vararg(Integer... x) {
      System.out.println("Integer..."); 
   } 
   static void vararg(String... x) {
      System.out.println("String..."); 
   }
   public static void main(String [] args) {
      int s = 0;
      vararg(s,s);
   }
}

The above code sample will produce the following result.

Integer...

java_methods.htm

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