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Java SE ¾²Ì¬±äÁ¿

package demo;
class TA{
 //Õâ¸ö³ÌÐòÒªºÃºÃÀí½â,³£Á¿²»ÊÇÊôÓÚÀàµÄ£¬ËüÔÚÄÚ´æÖÐÓÐÒ»¿éµ¥¶ÀµÄ´æ´¢ÇøÓò£¬ºÎÀàTAÎÞÈκιØÏµ
// public static final int m=9;
// ¾²Ì¬±äÁ¿ÊÇÊôÓÚÀàµÄ£¬ËüµÄ´æ´¢ÇøÓòÓëÀàÏà¹Ø
public static  int m=9;
 static {
  System.out.println("In Static m="+ m);
 }
}
public class TestStaticA {
 public static void main(String[] args) {
 //³£Á¿²»ÄÜʹÓÃÀàµÄʵÀý¶ÔÏóµ÷ÓÃ,Ö»ÄÜʹÓÃÀà¶ÔÏóµ÷ÓÃ
 //¾²Ì¬±äÁ¿²»¿ÉÒÔʹÓÃʵÀý¶ÔÏóµ÷Óã¬Ö»ÄÜʹÓÃÀà¶ÔÏóµ÷ÓÃ
   //     TA ta=new TA();
   //     ta.m;
 
 System.out.println(TA.m);
 }
}


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Java NIO APIÏê½â

 
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¶þ²æÊ÷ (Binary Tree) µÄ»ù±¾²Ù×÷ (Java)

package algorithm.binarytree;
import java.util.Arrays;
import java.util.Stack;
import util.ArrayUtil;
import util.OutputUtil;
public class BinTree {
    private BinNode root = null;
    public BinTree()
    {
    }
  &nb ......

java ʹÓÃÕýÔòÀ´¹ýÂË×Ö·û´®ÖеÄÌØÊâ×Ö·û

// ¹ýÂËÌØÊâ×Ö·û
public static String StringFilter(String str) throws PatternSyntaxException {
// Ö»ÔÊÐí×ÖĸºÍÊý×Ö
// String regEx = "[^a-zA-Z0-9]";
// Çå³ýµôËùÓÐÌØÊâ×Ö·û
S ......

java±ÊÊÔ

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Java SE Static Inner

/*ÄÚ²¿ÀàʹÓÃʾÀý*/
package demo;
class Outer{
 int outer_i=100;
 static int outer_j=200;
 final int outer_k=300;
 void test(){
  Inner in = new Inner();
  in.display();
 }
 static class Inner{
  void display(){
    ......
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