Main.java Source code

Introduction

Here is the source code for Main.java

Source

public class Main {
    public static void main(String[] args) {
        String myKey = "MyKey";
        System.setProperty(myKey, "102");
        System.out.println(Integer.getInteger(myKey));
        System.out.println(Integer.getInteger("NoExist", 999));
    }
}