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    1.copy rxtxSerial.dll to [JDK-directory]\jre\bin\rxtxSerial.dll
    2.copy RXTXcomm.jar to [JDK-directory]\jre\lib\ext\RXTXcomm.jar
    3.windowsÊÇrxtxSerial.dll¸´ÖƵ½windows/system32ÏÂ
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    /**
     * ²éÕÒϵͳÖÐÒÑÖª¶Ë¿Ú
     * @param args
     */
    public static void main(String[] args) {
        //»ñµÃÒ»¸öö¾Ù,ö¾ÙÖÐΪ°üº¬ÏµÍ³ÖÐËùÓÐÒÑÖª¶Ë¿ÚµÄ
        portList = CommPortIdentifier.getPortIdentifiers();
        while (portList.hasMoreElements()) {
            portId = (CommPortIdentifier) portList.nextElement();
            if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
            if (portId.getName().equals("COM1") || portId.getName().equals("COM2")) {
                //if (portId.getName().equals("/dev/term/a")) {
                    System.out.println(portId.getName());
                    SimpleRead reader = new SimpleRead();
                }
            }
        }
    }
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Java ClassLoader

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¡¡¡¡Õâ4ÖÖClassLoaderµÄÓÅÏȼ¶ÒÀ´Î´Ó¸ßµ½µÍ£¬Ê¹ÓÃËùνµÄ“Ë«Ç×ίÅÉÄ£ÐÍ”¡£È·ÇеØËµ£¬¼ÙÈçÒ»¸öÍøÂçÀà×°ÔØÆ÷±»ÇëÇó×°ÔØÒ ......

Java³õѧÕߣºÍ¼Êé¹ÜÀíС¹¤¾ß´úÂë

1.Welcome.java
import java.util.Date;
import java.util.Scanner;

public class Welcome {
/**
* @param args
* @throws IOException
*/
public static void main(String[] args){
// TODO Auto-generated method stub

System.out.println("Welcome to vis ......
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