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import gnu.io.CommPortIdentifier;
import gnu.io.PortInUseException;
import gnu.io.SerialPort;
import gnu.io.SerialPortEvent;
import gnu.io.SerialPortEventListener;
import gnu.io.UnsupportedCommOperationException;
import java.awt.Button;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.TooManyListenersException;
class S_Frame extends Frame implements ActionListener,SerialPortEventListener {
   
    //¼ì²âϵͳÖпÉÓõÄͨѶ¶Ë¿ÚÀà
    static CommPortIdentifier portId;
    //Enumeration Ϊö¾ÙÐÍÀà,ÔÚutilÖÐ
    static Enumeration portList;
   
    //ÊäÈëÊä³öÁ÷
    InputStream inputStream;
    OutputStream outputStream;
   
    //RS-232µÄ´®ÐпÚ
    SerialPort serialPort;
   
    Thread readThread;
    String str = "";
   
    //½çÃæ
    Panel p = new Panel();
    TextArea in_message = new TextArea("´ò¿ªCOM1,²¨ÌØÂÊ9600,Êý¾Ýλ8,ֹͣλ1.");
    TextArea out_message = new TextArea("X010600Y");
    Button btnOpen = new Button("´ò¿ª´®¿Ú, ·¢ËÍÊý¾Ý");
    Button btnClose = new Button("¹Ø±Õ´®¿Ú, Í£Ö¹·¢ËÍÊý¾Ý");
    byte data[] = new byte[10240];


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package arrays.compara;
/**
 *
 * @author Happy ¶þ·Ö²éÕÒ·¨
 */
public class BinarySearch {
 public static void main(String[] args) {
  int[] arrInt = { 2, 34, 32, 24, 23, 34, 12, 3, 4, 2 };
  int index = bSearch(29, arrInt, 0, arrInt.length);
 & ......

java£ºÊÖд¶þ²æÊ÷BinaryTreeÌí¼ÓºÍ²éѯ·½·¨

package arrays.myArray;
public class BinaryTree {
 private Node root;
 // Ìí¼ÓÊý¾Ý
 public void add(int data) {
  // µÝ¹éµ÷ÓÃ
  if (null == root)
   root = new Node(data, null, null);
  else
   addTree(root, data);
......

java£ºArrayListÑ­»·±éÀúµÄÁ©ÖÖ·½·¨Ê¹ÓÃ

package collection;
import java.util.*;
public class NewArrayList {
 public static void main(String[] args) {
  List<Student> students = new ArrayList<Student>();
  for (int i = 0; i < 6; i++) {
   students.add(new Student("Happy"+i,"male" ......

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