What are variadic functions in Java?

Methods which uses variable arguments (varargs, arguments with three dots) are known as variadic functions.

Example

Live Demo

public class Sample {
    void demoMethod(String... args) {
      for (String arg: args) {
         System.out.println(arg);
      }
    }

   public static void main(String args[] ){
      new Sample().demoMethod("ram", "rahim", "robert");
      new Sample().demoMethod("krishna", "kasyap");
   }
}

Output

ram
rahim
robert
krishna
kasyap