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```
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import jav... 阅读全文
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``` public class test { public static void main(String[] args) { Tunnel tul = new Tunnel();
... 阅读全文
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package tset; import java.util.HashSet; import java.util.Iterator; public class test { public static void main(String args[]) { HashSet liSet=new Hash 阅读全文
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 ``` import java.util.ArrayList; import java.util.ListIterator; public class test { public static void main... 阅读全文
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```
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Box;
import javax.swing.ButtonGroup;
import ja... 阅读全文
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```
import java.awt.Frame;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem; public class test { public static void main(String args[])... 阅读全文
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import java.util.Scanner; public class test { public static void main(String args[]) { int a,b,c; Scanner s=new Scanner(System.in); a=s.nextInt(); b=s 阅读全文
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课堂练习1：教材160页4.编程题 阅读全文
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``` #ifndef LINKLIST_H_INCLUDED #define LINKLIST_H_INCLUDED #include "ds.h" #ifndef ElemType #define ElemType int #define ELEMTYPE_TAG #endif typedef struct LNode { ElemType data; struct ... 阅读全文
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class Point{ private double x; private double y; public double getDis(Point point){ return Math.sqrt(Math.sqrt((point.x this.x) (point.x this.x)+(poin 阅读全文