philopher.java

进程同步问题模拟

public class Philopher extends Thread
{
int i;
public Philopher(int i){
this.i=i;}

public void run(){
	if (i%2==0){
		Main.fork[i].P();
		Main.fork[(i+1)%5].P();
		System.out.println("Philopher"+i+"is eating");
		Main.fork[i].V();
		Main.fork[(i+1)%5].V();}
	else{
		Main.fork[(i+1)%5].P();
		Main.fork[i].P();
		System.out.println("Philopher"+i+"is eating");
		Main.fork[(i+1)%5].V();
		Main.fork[i].V();
		}
		}
	}