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1.»ù±¾Êý¾ÝÀàÐ͵ÄÖµ´«µÝ:
public static void main(String []args)
 {
  int i=10,j=5;
  tValue(i,j);
  System.out.println("i:"+i+"j:"+j);//´òÓ¡½á¹û:i=10,j=5
 }
 public static void tValue(int x,int y)
 {
  x+=y;
  y=x;
 }
×Ü½á£ºÉæ¼°µ½»ù±¾Êý¾ÝÀàÐ͵Ĵ«µÝʱ£¬ÐβνÓÊܵÄÊÇʵ²ÎµÄÖµ¸±±¾¡£ËùÒÔ²»Äܸıäʵ²ÎµÄÖµ
2.¸´ºÏÀàÐ͵ÄÒýÓô«µÝ
void method1() {
¡¡¡¡2 StringBuffer x = new StringBuffer("Hello");
¡¡¡¡3 change1(x);
¡¡¡¡4 System.out.println(x);
¡¡¡¡5 }
¡¡¡¡6
¡¡¡¡7 void method2() {
¡¡¡¡8 StringBuffer x = new StringBuffer("Hello");
¡¡¡¡9 change2(x);
¡¡¡¡10 System.out.println(x);
¡¡¡¡11 }
¡¡¡¡12
¡¡¡¡13 void change1(StringBuffer sb) {
¡¡¡¡14 sb.append(" world!");
¡¡¡¡15 }
¡¡¡¡16
¡¡¡¡17 void change2(StringBuffer sb) {
¡¡¡¡18 sb = new StringBuffer("hi");
¡¡¡¡19 sb.append(" world!");
¡¡¡¡20 }
Õë¶ÔÒÔÉÏ´úÂ룬×ܽá2Ìõ£º1.¶ÔÓÚÀàµÄʵÀýËü´«µÝµÄÊÇÀàµÄÒýÓá£ÐèҪעÒâµÄÊÇ£¬ÕâÌõ¹æÔòÖ»ÊÊÓÃÓÚ²ÎÊý´«µÝ
2.¶ÔÓÚº¯Êýµ÷Óã¬×îÖÕЧ¹ûÊÇʲôÍêÈ«¿´º¯ÊýÄÚ²¿µÄʵÏÖ¡£Èç18ÐдúÂë
Èý¡£¸´ºÏÀàÐ͵ÄÖÐStringµÄÌØÊâÒýÓô«µÝ
public  class Example{
String str=new String("good");
char [] ch=;
public static void main(String args[]){
Example ex=new Example();
ex.change(ex.str,ex.ch);
System.out.print(ex.str+"and");
System.out.print(ex.ch);
}
public void change(String str2,char ch[]){
str="testok";
ch[0]='g';
System.out.print(str);
}
}strµÄ´«µÝÓëÖµ´«µÝÏàËÆ


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java¼òµ¥ÁÄÌìÊÒ

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import javax.swing.*;
public class Applet1 extends Applet implements ActionListener,ItemListener
{
  TextArea mainText;
    JTextField input;
    JButton sendButton,disconnectButton,connectBu ......

java¶ÁÈ¡xmlÎļþµÄËÄÖÖ·½·¨

xmlÎļþ£º
Xml´úÂë
<?xml version="1.0" encoding="GB2312"?>  
<RESULT>  
 <VALUE>¡¡¡¡   
  <NO>A1234</NO>¡¡¡¡   
  <ADDR>ºÓÄÏʡ֣ÖÝÊÐ</ADDR>  
 </VALUE>&nbs ......

JavaÖ÷ÒªÌØÐÔ

¡¡1¡¢JavaÓïÑÔÊǼòµ¥µÄ¡£JavaÓïÑÔµÄÓï·¨ÓëCÓïÑÔºÍC++ÓïÑԺܽӽü£¬Ê¹µÃ´ó¶àÊý³ÌÐòÔ±ºÜÈÝÒ×ѧϰºÍʹÓÃJava¡£ÁíÒ»·½Ã棬Java¶ªÆúÁËC++ ÖкÜÉÙʹÓõġ¢ºÜÄÑÀí½âµÄ¡¢ÁîÈËÃÔ»óµÄÄÇÐ©ÌØÐÔ£¬Èç²Ù×÷·ûÖØÔØ¡¢¶à¼Ì³Ð¡¢×Ô¶¯µÄÇ¿ÖÆÀàÐÍת»»¡£ÌØ±ðµØ£¬JavaÓïÑÔ²»Ê¹ÓÃÖ¸Õ룬²¢ÌṩÁË×Ô¶¯µÄ·ÏÁÏÊÕ¼¯£¬Ê¹µÃ³ÌÐòÔ±²»±ØÎªÄÚ´æ¹ÜÀí¶øµ£ÓÇ¡£
¡¡¡ ......

»ñÈ¡java ÀàµÄ·¾¶

public class Path {
 //get class absolute address
 public String getPath() {
  String classPath = getClass().getName();
  if (classPath.indexOf(".") != -1) {
   classPath = classPath.substring(classPath.lastIndexOf(".") + 1,
     ......

JAVA°´ºº×Ö°´Í·×ÖĸÅÅÐò

public static void main(String args[]) {
Comparator cmp = (RuleBasedCollator)java.text.Collator.getInstance(java.util.Locale.CHINA);
String[] array = {"ÕÅÈý", "ÀîËÄ", "ÍõÎå"};
Arrays.sort(array, cmp);
for(String str : array){
System.out.println(str);
}
} ......
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