Source of TestStuff20170119.java


  1: //TestStuff20170119.java
  2: 
  3: import java.lang.System;
  4: 
  5: public class TestStuff20170119
  6: {
  7:     static private int n;
  8:     static private String s;
  9:     public static void main(String[] args)
 10:     {
 11:         System.out.println(n);
 12:         System.out.println(s);
 13: 
 14:         //Before Java 5 we had to do this ...
 15:         Integer k = new Integer(6);
 16:         System.out.println(k.intValue());
 17:         //Java 5 gave us "boxing" and "unboxing" so we can now do this ...
 18:         Integer i = 6;         //boxing
 19:         System.out.println(i); //unboxing
 20: 
 21:         System.out.println(Integer.MAX_VALUE);
 22: 
 23:         System.out.println(2 * Integer.parseInt("123"));
 24:     }
 25: }