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原创 写一个死锁的代码
package com.dengxin.seckill.test; public class testSynchronzied { private static final Object a = new Object(); private static final Object b = new Object(); public static void main(String[] args) { new Thread(new Syn(true)).start(); new Thread(new
2021-02-23 20:09:14
312
原创 每日三道题2020-12-16
每日三道面试题(答案在下方) Files的常用方法都有哪些? Java 容器都有哪些? HashMap 和 Hashtable 有什么区别? | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 答案
2020-12-16 16:14:05
140
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原创 每日三道题2020-12-14
每日三道面试题(答案在下方) 说一说Java的Interface和abstract class 的区别? 说一说String与StringBuffer的区别? 什么场景下使用BigDecimal类型? | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
2020-12-14 10:32:53
230
原创 每日三道题2020-12-11
每日一道面试题(答案在下方) 说一说Java的Interface和abstract class 的区别? 说一说String与StringBuffer的区别? 什么场景下使用BigDecimal类型? | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
2020-12-11 15:31:25
152
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