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package arrays.file;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.Writer;
public class CreateFile {
 public static void main(String[] args) {
  // readerFile("E:/workspace6/Arrays/src/myArray/Nodes.java");
//  readerFileToo();
  //writeInMemroy();
  writeFile2();
 }
 // ¾­µä¶ÁÈ¡Êý¾ÝÒ»
 public static String readerFile() {
  // E:/workspace6/Arrays/src/myArray/Nodes.java
  String s, s2 = "";
  try {
   BufferedReader in = new BufferedReader(new FileReader
     ("E:/workspace6/Arrays/src/myArray/Nodes.java"));
   try {
    while ((s = in.readLine()) != null) {
     s2 += s + "\n";
    }
    in.close();
    // System.out.println(s2);
   } catch (IOException e) {
    e.printStackTrace();
   }
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  }
  return s2;
 }
 // ÊäÈë¼´·µ»Ø
 public static void readerFileToo() {
  do {
   BufferedReader brIn = new BufferedReader(new InputStreamReader(
     System.in));
   System.out.println("Enter a line:");
   try {
    System.out.println(brIn.readLine().concat("+++++++"));
   } catch (IOException e) {
    e.printStackTrace();
   }
  } while (true);
 }
 /


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java Annotation Æ´×°SQLÓï¾ä

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@Target(ElementType.FIELD)  
@Retention(RetentionPolicy.RUNTIME) 
public @interface FiledRef
{
    String fieldName();
}
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@Target(ElementType.TYPE)  
@Retention(RetentionPolicy.RUNTIME)
public @interface TableRef
{
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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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