一个J2SE的简单入门

				final class Father
				{
					String str="这是父类";
					public void outPut()
					{
						System.out.println(str);
					}
				}
				
				public class Son extends Father {
				
					public static void main(String[] args) {
						
						Son tom = new Son();
						tom.outPut();
					}
				
				}