摘要：
public class System1 { public void dosomething() { System.out.println("system1.."); }} public class System2 { public void dosomething() { System.out.p 阅读全文
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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 阅读全文
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浅拷贝 @Datapublic class ShopItem implements Cloneable { private String shopItemName; public ShopItem clone() throws CloneNotSupportedException { ShopIte 阅读全文
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<properties> <!-- 文件拷贝时的编码 --> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.rep 阅读全文