java——第三天

 1 package day01;
 2 
 3 public class VarDemo {
 4 
 5     public static void main(String[] args) {
 6         // TODO Auto-generated method stub
 7         System.out.println("hello world!");
 8         int a;
 9         a=12;
10         char myChar='A';
11         System.out.println(myChar);
12         
13         byte myByte=127;
14         System.out.println(myByte);
15 
16     }
17 
18 }

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