exampleclass.java

来自「这一些程序都是实验之用」· Java 代码 · 共 34 行

public class ExampleClass{
	private int a=0;
	
	private void print_me(){System.out.println("The Class is used by method can also been use");}
	
	protected int b=0;
	
	public int c=0;
	
	public void allprint(){System.out.println("a="+a);
							System.out.println("b="+b);
							System.out.println("c="+c);
							print_me();
							
							}
	
	
	
}
 class SubExampleClass extends ExampleClass{
	private int d=0;

public static void main(String args[])
 {
 	SubExampleClass subobject=new SubExampleClass();
 	subobject.d=20;
 	subobject.allprint();
 	
 	System.out.println("SubExampleClass:d="+subobject.d);//本类都可以访问
 	System.out.println("ExampleClass:c="+subobject.c);	//继承类可以访问其父类的公共变量
 	System.out.println("ExampleClass:b="+subobject.b);   //继承类的子类可以访问父类的保护变量。
 }
}