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转载 JSP内置对象及常用的方法
1.out: println():向客户端输出各种类型的数据 newLine():输出一个换行符 close():关闭输出流 fiush():输出缓冲区数据 clearBuffer():清除缓冲区数据,并且把数据输出到客户端 clear():清除缓冲区数据,但是不把数据输出到客户端 getBufferSize():返回缓冲区大小2.request:getMethod()...
2020-04-07 10:24:55
156
原创 定义接口
package lee;/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyrig...
2020-03-18 00:12:58
188
原创 第6章 面向对象(下)
第6章 面向对象(下)6.1Java8增强的包装类:Java有8个基本类型:byte, short, int, long, float, double,char,Boolean,这8个基本类型不能当成对象使用,而且也不能接受null值。为了解决上面的问题,Java为8个基本类型提供了对应的包装类——可将他们包装成对象。byte - Byteshort - Shortint - In...
2020-03-17 20:43:37
120
原创 单例类
class Singleton{ // 使用一个类变量来缓存曾经创建的实例 private static Singleton instance; // 将构造器使用private修饰,隐藏该构造器 private Singleton(){} // 提供一个静态方法,用于返回Singleton实例 // 该方法可以加入自定义的控制,保证只产生一个Singleton对象 public ...
2020-03-17 00:22:03
104
原创 重写equals()方法
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<...
2020-03-17 00:00:21
98
原创 Java修饰符使用总结
private不写protectedpublicstaticfinalabstact外部类√√√√内部类√√√√√√√成员变量√√√√√√方法√√√√√√√构造器√√√√初始化块√...
2020-03-16 02:01:26
82
转载 ConversionTest
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-16 01:28:15
112
原创 SubClass
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-16 01:26:12
245
原创 ConstructorOverload
/**Description:网站: 疯狂Java联盟Copyright ©, 2001-2018, Yeeku.H.LeeThis program is protected by copyright laws.Program Name:Date:@author Yeeku.H.Lee kongyeeku@163.com@version 1.0*/public class C...
2020-03-16 00:40:04
192
原创 ConstructorTest
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-16 00:33:59
137
原创 Overload
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-15 23:30:46
125
原创 Recursive
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-15 23:25:06
139
原创 Varargs
/**Description:网站: 疯狂Java联盟Copyright ©, 2001-2018, Yeeku.H.LeeThis program is protected by copyright laws.Program Name:Date:@author Yeeku.H.Lee kongyeeku@163.com@version 1.0*/public class V...
2020-03-15 19:27:44
163
原创 第5章 面向对象(上)
知识点3种类型(类、接口、枚举)4个修饰符(private|protected|public、final|abstract、static)5个成员(成员变量、方法、构造器、初始化块、内部类)★定义类的语法:[修饰符] class 类名 [extends 父类] { //5大成员 }修饰符:public 、...
2020-03-15 19:26:28
137
原创 ThisInConstructor
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-15 19:26:18
313
原创 Dog
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-15 19:26:07
93
原创 StaticAccessNonStatic
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-15 19:26:00
192
原创 Person
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<br&...
2020-03-15 19:25:52
187
原创 ReturnThis
/**Description:网站: 疯狂Java联盟Copyright ©, 2001-2018, Yeeku.H.LeeThis program is protected by copyright laws.Program Name:Date:@author Yeeku.H.Lee kongyeeku@163.com@version 1.0*/public class D...
2020-03-15 19:24:58
90
原创 PrimitiveTransferTest
/** * Description: * 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a><br> * Copyright (C), 2001-2018, Yeeku.H.Lee<br> * This program is protected by copyright laws.<b...
2020-03-15 19:24:22
135
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