Function signatures and overloading - Java Object Oriented Design

Java examples for Object Oriented Design:Method Overloading

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Introduction

Function signatures do not take into account the return type

Demo Code

public class Main {
  static double plusone(int n) {
    return n + 1.0;
  }//  w  w w.j  a va2  s.c  om

  static double plusone(double x) {
    return x + 1.0;
  }

  static double plusone(String s) {
    return Double.parseDouble(s) + 1.0;
  }

  public static void main(String[] args) {
    System.out.println(plusone(15));
    System.out.println(plusone(6.23));
    System.out.println(plusone("123.2"));
  }
}

Result


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