02 2022 档案
摘要：public class WrapperTest { public static void main(String[] args) { /** 拍照 */// Componnet conCreateComponnet = new ConCreateComponnet();// conCreateCo
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摘要：public class PageUtil { private PageUtil() { // 工具类私有构造方法 } /** * 内存分页 * * @param page * @param pageSize * @param filterDtoList * @param <T> * @return
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摘要：/** * 建造者 */public abstract class Builder { // 地基 public abstract void buildA(); // 钢筋工程 public abstract void buildB(); // 粉刷 public abstract void bui
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摘要：******************************************正确写法******************************************************package com.example.SpringBootTest1.shejimoshi.sin
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摘要：// *****************************现象描述******************************* package com.example.SpringBootTest1.shejimoshi.singleton;public class InnerclassSi
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摘要：public enum EnumSingleton { INSTANCE;} public class Test { public static void main(String[] args) { EnumSingleton instance1 = EnumSingleton.INSTANCE;
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摘要：/** * 建造者 */public abstract class Builder { public abstract Builder buildA(String s); public abstract Builder buildB(String s); public abstract Builde
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摘要：对象适配器模式(组合模式) public class AdapterTest { public static void main(String[] args) { Target target = new Adapter(new Adaptee()); target.output5v(); }}cla
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摘要：public class System1 { public void dosomething() { System.out.println("system1.."); }} public class System2 { public void dosomething() { System.out.p
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摘要：public class TreeNode { private Integer x; private Integer y; private Tree tree; public TreeNode(Integer x, Integer y, Tree tree) { this.x = x; this.y
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摘要：浅拷贝 @Datapublic class ShopItem implements Cloneable { private String shopItemName; public ShopItem clone() throws CloneNotSupportedException { ShopIte
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摘要：<properties> <!-- 文件拷贝时的编码 --> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.rep
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