Kotlin – Java Static Method equivalent in Kotlin

Kotlin

104

loveprogramming viết ngày 16/04/2021

https://grokonez.com/kotlin/kotlin-java-static-method-equivalent-kotlin

Kotlin – Java Static Method equivalent in Kotlin

This tutorial shows you a way to represent Java static method in Kotlin using Object Expression.

I. Technology

• Java 1.8

• Kotlin 1.1.2

  II. Practice

  1. Java static Classes and Methods

  
  public class Foo {
  
  public static String exe() {
      return "grokonez.com";
  }
  
  public static String upperCase(String s) {
      return s.toUpperCase();
  }
  
  public static class Bar {
  
      public static String bar() {
          return "Bar";
      }
  }
  
  public static class Num {
  
      public static Integer doubleInt(Integer i) {
          return new Integer(i.intValue() * 2);
      }
  }
  }

  2. Equivalent in Kotlin

  Using Kotlin Object Expression, we can make "static" Equivalent:

More at:

https://grokonez.com/kotlin/kotlin-java-static-method-equivalent-kotlin