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£¨1£©    ±ÜÃâʹÓÃNEW¹Ø¼ü×ÖÀ´´´½¨String¶ÔÏó¡£
°ÑÒ»¸öString³£Á¿copyµ½String ¶ÔÏóÖÐͨ³£ÊǶàÓà¡¢ÀË·Ñʱ¼äµÄ
Public class test{
  Public void method(){
    System.out.print (str);
}
private String str = new String ("1");  //ÕâÀïн¨¶ÔÏóÊÇÍêȫûÓбØÒªµÄ
private String str2=”2”  //ÕýÈ·µÄÓ¦¸ÃÈç´Ë
}
²Î¿¼£ºJoshua Bloch: "Effective Java - Programming Language Guide"
£¨2£©    ±ÜÃâʹÓò»±ØÒªµÄǶÌס£
  ¹ý¶àµÄǶÌ×»áʹÄãµÄ´úÂ븴ÔÓ»¯£¬¼õÈõ¿É¶ÁÐÔ¡£
  Public class test {
   String add (){
Int c=(a=a+b)+b;  //¹ýÓÚ¸´ÔÓ
Return c
}
}
²Î¿¼£ºhttp://java.sun.com/docs/codeconv/html/CodeConventions.doc9.html#177
£¨3£©    ±ÜÃâÔÚͬһÐÐÉùÃ÷²»Í¬ÀàÐ͵Ķà¸ö±äÁ¿
  ÕâÑù¿ÉÒÔʹ³ÌÐò¸ü¼ÓÇåÎú£¬±ÜÃâ»ìÂÒ
    private int index, index1[];
ÕýÈ·µÄÓ¦¸ÃÈç´Ë£º
private int index; 
private int index1[];
²Î¿¼£ºhttp://java.sun.com/docs/codeconv/html/CodeConventions.doc5.html#2992
(4)    ÔÚÿһÐÐÀïдһÌõÓï¾ä
  ÕâÌõ¹æÔò²»°üÀ¨forÓï¾ä£º±ÈÈ磺'for (int i = 0; i < 10; i++) x--;’¿ÉÒÔÔö¼Ó´úÂëµÄ¿É¶ÁÐÔ¡£
  public class OSPL {
    int method (int a, int b) {
        int i = a + b; return i;  // ¿É¶ÁÐÔ²»Ç¿
}
ÕýÈ·µÄ£º
public class OSPLFixed {
    int method (int a, int b) {
        int i = a + b; 
        return i; 
    }
}
²Î¿¼£ºSection 7.1 of http://java.sun.com/docs/codeconv/html/CodeConventions.doc6.html#431
 £¨5£©¾­³£´Ófinalize ()Öе÷ÓÃsuper.finalize ()
  ÕâÀïµÄfinalize ()ÊÇjavaÔÚ½øÐÐÀ¬»øÊÕ¼¯µÄʱºòµ÷Óõģ¬ºÍfinally²»Ò»Ñù¡£Èç¹ûÄãµÄ¸¸ÀàûÓж¨Òåfinally£¨£©µÄ»°£¬ÄãÒ²Ó¦¸Ãµ÷Óá£ÕâÀïÓÐÁ½¸öÔ­Òò£º£¨1£


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package homework01;
public class TestWhile {

public static double factorial(int n) //Çó½×³Ëº¯Êý
{
if(n==0) return 1;
else return n* factorial(n-1);
}

public static void main(String[] args) {
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 public class OuterClass
 {
 public class InnerClass
 {
 public int code = 100;
 }
 public static void main(String[] args)
 {
 OuterClass outer = new OuterClass();
 OuterClass.InnerClass o = outer.new InnerClass();
 System. ......

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Java½â¶ÁÄڴ棬ÓÅ»¯±à³Ì

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¡¡¡¡ÄÚ´æ»áÒç³ö¿Ï¶¨ºÍ´úÂëÌÓ²»Á˹Øϵ,99.99%ѧjavaµÄÈ˶¼ÖªµÀÀ¬»ø»ØÊÕÆ÷ÊÇ javaµÄÒ»´óÓŵ㲢¾Ý´ËÀ´³°Ð¦C++¡£ÏÔÈ»Õâ¸öÌØÐÔΪ´úÂë±àдÕßÊ¡Á˲»ÉÙÊ£¬µ«Õâ¸öÌØÐÔÈ´´øÀ´Á˲»ÉÙÒþ»¼¡£¾Ù¸öÀý×ÓÔÚÓÎÏ·µ±Öо­³£Óв»Í¬³¡¾°µÄÇл»£¬Èç´ÓÓÎÏ·Âß¼­Í˵½Ö÷²Ëµ¥Âß¼­,¶ÔÓÎÏ·Âß¼­¶ÔÏóµÄ̬¶ ......

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package com.lihp.exl;
/**
 Ä¿µÄ£ºÌṩÓÉÊý¾Ý¶ÔÏ󼯺ÏÀࣨVector£©Éú³ÉExcel¹¤×÷±íµÄ¹¦ÄÜ
 ×÷Õߣºlihaipeng
 */
import java.io.*;
import java.util.*;
import java.lang.reflect.Method;
import org.apache.poi.hssf.usermodel.HSSFSheet;
impor ......
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