摘要：
System类 访问系统属性 -遍历 1 package org.zln.usefulclass.system; 2 3 import java.util.Properties; 4 5 /** 6 * Created by sherry on 000024/6/24 23:08. 7 *... 阅读全文
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需求一 模拟四个窗口同时卖100张火车票的问题 1 package work.thread; 2 3 import java.util.Objects; 4 5 /** 6 * Created by coolkid on 2014/12/17 0017. 7 */ 8 9 class T... 阅读全文
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1 package org.zln.thread; 2 3 import java.util.Date; 4 import java.util.concurrent.ExecutorService; 5 import java.util.concurrent.Executors; 6 7 /*... 阅读全文
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1 package org.zln.thread; 2 3 import java.util.Date; 4 5 /** 6 * Created by sherry on 000024/6/24 22:30. 7 */ 8 public class TestThreadGroup { 9 ... 阅读全文