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package arrays.myArray;
import java.util.Scanner;
public class SortObject {
 private static int intercePosition = 0; // ¼Ç¼µ¥¸öÔËËãÊý¾ÝµÄ³¤¶È
 private static int[] intercePositionIndex = null; // ¼Ç¼“£¨”µÄϱê
 private static int[] intercePositionEnd = null; // ¼Ç¼“£©”µÄϱê
 public static void main(String[] args) {
  Scanner input = new Scanner(System.in);
  do {
   System.out.println("ÇëÊäÈëÄãÒª¼ÆËãµÄ×Ö·û´®(×¢Ò⣺ֻÄÜÊäÈëÊý×ֺͼӣ¬¼õ£¬³Ë³ý·ûºÅ;ÊäÈëÍê±Ïºó,ÇëÖ±½Ó»Ø³µ):");
   String numberString = input.next().trim();
   // ÅжÏÊäÈëµÄÔËËã×Ö·û´®ÊÇ·ñ·ûºÏ¹æ¶¨
   if (ispassString(numberString) == false) {
    System.out.println("ÄúÊäÈëµÄ¼ÆËã×Ö·û´®ÓÐÎó,ÇëÕýÈ·ÊäÈë!");
   } else {
    // ¼ÆËã½á¹û·µ»Ø
    System.out.println(interceResult(numberString));
   }
  } while (true);
 }
 // ÅжÏÊÇ·ñÓдøÀ¨ºÅµÄÔËËã×Ö·û´®´æÔÚ
 private static String interceResult(String str) {
  String result = str;
  char[] numberString = str.toCharArray(); // 1+2+(1*2+1-1*2+5)+2+(1+5+9+10-11)+1*5/2+3
  // 1+8-9+(1*8/2-5+(1+2+8))+4/5*8/3*2
  int IndexStart = 0; // ¼Ç¼“£¨”µÄʵ¼ÊÊýÁ¿
  int EndStart = 0; // ¼Ç¼“£©”µÄʵ¼ÊÊýÁ¿
  for (int i = 0; i < numberString.length; i++) {
   if ('(' == numberString[i]) {
    // ¼Ç¼×îºóÒ»¸öÕýÀ¨ºÅµÄλÖÃ
    IndexStart = i;
   }
   if (')' == numberString[i]) {
    // ¼Ç¼·´À¨ºÅµÄ×î³õʼϱêµÄλÖÃ
    EndStart = i;
    // ½ØÈ¡×îÀïÃæÒ»¸öÀ¨ºÅÀïµÄÔËËã×Ö·û´®
    result = result.substring(IndexStart + 1, EndStart);
    // ½ØÈ¡À¨ºÅµÄÔËË


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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 ......

java ¸ù¾ÝÁ½µã¾­Î³¶ÈÀ´Ëã¾àÀë

package com.njty.util;
public class Test {
  private static final double EARTH_RADIUS = 6378137;
  private static double rad(double d)
     {
        return d * Math.PI / 180.0;
     }
     ......

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public class Hello{
        static{
                System.loa ......

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±í book    ÖÐÓÐname varchar2(20)//Êé¼®Ãû³Æ,buydate Date //¹ºÂòÈÕÆÚ Á½¸ö×ֶΡ£
ÒѾ­´´½¨ÁËÊý¾Ý¿âÁ¬½ÓConnection conn;
·½·¨Ò»¡¢Ê¹ÓÃjava.sql.DateʵÏֱȽϼòµ¥µÄyyyy-mm-dd¸ñʽÈÕÆÚ¡£
java.sql. ......

java£ºdoubleÀàÐͽØÈ¡Á©Î»Ð¡Êý£¬²»È¡Éᣬ

public class Split{
 public static void main(String[] args){
       double pai = 3.14159;
        findTwo(pai);
  public static void findTwo(double value){
    System.out.println(new DecimalFormat("0.##"). ......
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