Xaf's Blog

摘要： /* * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. 阅读全文

摘要： java keyword: transient usage: skip serialization for transient-field import java.io.*; class Test implements Serializable { int i = 10; transient int 阅读全文

摘要： api: interface List int size(); boolean isEmpty(); boolean contains(Object o); Iterator<E> iterator(); Object[] toArray(); <T> T[] toArray(T[] a); boo 阅读全文

摘要： /* * Copyright (C) 2013, 2014 Brett Wooldridge * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except 阅读全文

摘要： // // Source code recreated from a .class file by IntelliJ IDEA // (powered by Fernflower decompiler) // package org.springframework.web.servlet; impo 阅读全文

摘要： /* * Copyright (c) 1994, 2012, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. 阅读全文

摘要： 测试用例 String loc="contextPath/test.properties"; InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream(loc); Properties info=new Prope 阅读全文

摘要： // // Source code recreated from a .class file by IntelliJ IDEA // (powered by Fernflower decompiler) // package com.mysql.cj.jdbc; import java.sql.Dr 阅读全文

摘要： jre的目录结构 jre ├── bin ├── COPYRIGHT ├── lib ├── LICENSE ├── README.txt ├── THIRDPARTYLICENSEREADME-JAVAFX.txt ├── THIRDPARTYLICENSEREADME.txt └── Welco 阅读全文

摘要： def s1(): pass def s2(): pass def k(s): s() k(s1) k(s2) k函数接受一个函数名（回调函数）作为参数。 s1和s2是s的具体实现。 k函数只管调用s函数，不用关心s函数的实现是s1还是s2。 阅读全文