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import java.util.*;
public class YourJavaProperties {
public static void main(String args[]){
Properties props=System.getProperties();
System.out.println("JavaµÄÔËÐл·¾³°æ±¾£º"+props.getProperty("java.version"));
System.out.println("JavaµÄÔËÐл·¾³¹©Ó¦ÉÌ£º"+props.getProperty("java.vendor"));
System.out.println("Java¹©Ó¦É̵ÄURL£º"+props.getProperty("java.vendor.url"));
System.out.println("JavaµÄ°²×°Â·¾¶£º"+props.getProperty("java.home"));
System.out.println("JavaµÄÐéÄâ»ú¹æ·¶°æ±¾£º"+props.getProperty("java.vm.specification.version"));
System.out.println("JavaµÄÐéÄâ»ú¹æ·¶¹©Ó¦ÉÌ£º"+props.getProperty("java.vm.specification.vendor"));
System.out.println("JavaµÄÐéÄâ»ú¹æ·¶Ãû³Æ£º"+props.getProperty("java.vm.specification.name"));
System.out.println("JavaµÄÐéÄâ»úʵÏÖ°æ±¾£º"+props.getProperty("java.vm.version"));
System.out.println("JavaµÄÐéÄâ»úʵÏÖ¹©Ó¦ÉÌ£º"+props.getPro ......
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ת×Ô£ºhttp://www.blogjava.net/Swing/archive/2007/12/26/128965.html
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.UIManager;
import javax.swing.WindowConstants;
import javax.swing.text.AttributeSet;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.Document;
import javax.swing.text.EditorKit;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;
import javax.swing.text.StyledEditorKit;
public class NewJFrame extends javax.swing.JFrame implements A ......
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µÃµ½classpathºÍµ±Ç°ÀàµÄ¾ø¶Ô·¾¶µÄһЩ·½·¨
»ñµÃCLASSPATHÖ®Íâ·¾¶µÄ·½·¨£º
URL
base = this.getClass£¨£©.getResource£¨""£©£»
//ÏÈ»ñµÃ±¾ÀàµÄËùÔÚλÖã¬Èç/home/popeye/testjava/build/classes/net/ String path =
new File£¨base.getFile£¨£©£¬ "……/……/……/"+name£©.getCanonicalPath£¨£©£»
//¾Í¿ÉÒԵõ½/home/popeye/testjava/name
ÏÂÃæÊÇһЩµÃµ½classpathºÍµ±Ç°ÀàµÄ¾ø¶Ô·¾¶µÄһЩ·½·¨¡£Äã¿ÉÄÜÐèҪʹÓÃÆäÖеÄһЩ·½·¨À´µÃµ½ÄãÐèÒªµÄ×ÊÔ´µÄ¾ø¶Ô·¾¶¡£
1.FileTest.class.getResource£¨""£©
µÃµ½µÄÊǵ±Ç°ÀàFileTest.classÎļþµÄURIĿ¼¡£²»°üÀ¨×Ô¼º£¡
È磺file£º/D£º/java/eclipse32/workspace/jbpmtest3/bin/com/test/
2.FileTest.class.getResource£¨"/ ......
ÔÚ¿ªÊ¼Õâ¸ö¼Æ»®Ç°£¬ÎÒÏ뻹ÊÇÏëºÍ´ó¼Ò·ÖÏíÒ»ÏÂÎÒ¶ÔδÀ´Java֮·µÄã¿ã½£¬ËäÈ»JavaµÄĸ¹«Ë¾SunÔÚ¾ÊÜ×ÅOracle¹«Ë¾ÊÕ¹º£¬µ¼ÖÂ×ÅÕû¸öJavaÕóÓªµÄÒ»ÕóÒìÒ飬µ«ÊÇ×îеÄJavaEE 1.6µÄ±ê×¼µÄÖÆ¶¨£¬»¹ÊÇ¿ÉÒÔ¿´³öJavaÏÖÔÚÈÔÈ»³äÂú×ÅÉúÃüÁ¦£¬ÖÁÉÙÔÚ×î½ü5Ä껹Êǻᱣ³ÖËûÇ¿´óµÄÉúÃüÁ¦¡£ ËùÒÔÎÒÃÇÓÐÀíÓÉÏàÐÅ£¬ÎÒÃÇ´ÓʵÄÕâ¸ö·½Ïò»¹ÊǺÜÓÐǰ;µÄ¡£¶øµ±ÎÒÃÇ϶¨¾öÐÄÖ®ºó£¬ÎÒÃǾͲ»ÒªÔÙµ£ÐÄ»òÕßÒÉ»ó£¬ÈÃÎÒÃÇ¿ªÊ¼ÎÒÃǵÄJava֮·°É£¬ÎÒÏàÐÅÎÒÃǵÄÍŶÓÒ»¶¨»á¿Ë·þÀ§ÄÑ£¬×ßÏò³É¹¦¡£ Java²»½ö½öÊÇÒ»ÖÖ±à³ÌÓïÑÔ£¬¸üÖØÒªµÄÈÏʶ£¬ËûÊÇÒ»¸öÍêÕûµÄƽ̨£¬ÔÚÈ«ÊÀ½çµÄ±à³Ì¿ª·¢ÕßÊÖÖл¹ÔÚ²»¶ÏÍêÉÆ¡£ÎÒ´ÓÏÂÃæ¼¸¸ö·½ÃæÀ´ÃèÊöÕû¸öJavaƽ̨£º ÔÚÏîÄ¿²âÊÔ·½Ã棺CruiseControl , Junit , TestNGµÈ£» ½âÊÍ£ºÏÖÔÚÔÚ²âÊÔ·½Ã棬Junit»¹ÊÇʹÓÃ×î¶à¹¤¾ß ÔÚ°²È«·½Ã棺Acegi , CAS , jsai , kasaiµÈ£» ½âÊÍ£ºÔÚ°²È«·½Ã棬AcegiÊÇÕû¸öJavaƽ̨×îÒ«Ñ۵ļ¼Êõ£¬ÏÖÔÚµÄEclipse 3.2ÒÔº ......
//JavaµÄIOµÄÒ»¸öʵÀý
import java.io.*;
import java.util.zip.*;
public class abc5{
String temp=new String();
String t=new String();
public void readByLinefromConsoleAndPrint(){
System.out.println("==´Ó¿ØÖÆÌ¨»ñµÃÊäÈë==");
try{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
System.out.println("ÇëÊäÈëÒ»ÐÐ×Ö·û£º");
System.out.println(temp=in.readLine());
}
catch(IOException e){
e.printStackTrace();
}
}
public void readByLinefromFileAndPrint(){
System.out.println("==´ÓÎļþ»ñµÃÊäÈë==");
try{
BufferedReader in=new BufferedReader(new FileReader("abc.dat"));
temp="";
String s=new String();
while((s=in.readLine())!=null)
temp+=s+"\n";
in.close();
System.out.println(temp);
&n ......