scope1.java

来自「这是一些java小程序的源码」· Java 代码 · 共 30 行

//c3:Scope1.java
//author:ZhangHongbin 
//This program is protected by copyright laws.
//Scope of variables.  
public class Scope1
{
	int i=1;
	void func()
	{
  		System.out.println("output i member in class in func="+i);
  		int i=2;
  		System.out.println("i in func="+i);
	}
	public static void main(String[] args) 	 
	{
		{
			int i=3;
			System.out.println("i in main="+i);
		}
		Scope1 s1=new Scope1();
		Scope1 s2=new Scope1();
		System.out.println("output i member of class in main="+s1.i);
		s1.func();
		s2.i=4;
		System.out.println("output i member of class in main again="+s2.i);
		s2.func();
		//System.out.println("i in main="+i);//error
  
	}
}