czyupup的博客

例 package shujia; import org.junit.Test; import java.util.ArrayList; import java.util.Collection; public class jihe{ @Test public void test1(){ Collection a=new ArrayList(); a.add(123); a.add(666); a.add("tom"

1.使用synchroized把代码包起来 例： class duoxian extends Thread { private static int tickiet=100; static Object obj=new Object(); @Override public void run() { while (true) { synchronized (ob