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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.##").format(value));
}
}
}


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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 ......

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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 static int dayOfWeek(int y, int m, int d) {
int w = 1; // ¹«ÀúÒ»ÄêÒ»ÔÂÒ»ÈÕÊÇÐÇÆÚÒ»£¬ËùÒÔÆðʼֵΪÐÇÆÚÈÕ
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