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´úÂëÈçÏ£ºimport java.io.*;
public class MainHT {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
if (args.length == 1) {
MainHT mainHT = new MainHT();
mainHT.ReadFile(args[0]);
}
else{
System.out.println("Usage fileName");
}
}
public void ReadFile(String fileNameandPath)
{
String record = null;
int recCount = 0;
try {
FileReader fr = new FileReader(fileNameandPath);
BufferedReader br = new BufferedReader(fr);
record = new String();
FileWriter fw1 = new FileWriter("one.txt");
PrintWriter pw1= new PrintWriter(fw1);
FileWriter fw2 = new FileWriter("two.txt");
PrintWriter pw2= new PrintWriter(fw2);
while ((record = br.readLine()) != null) {
recCount++;
System.out.print
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service = new
Service();
thread=new
Thread(service);
try
{
  ......
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ÒÔÏÂ ......
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Java´úÂ룺
¡¡¡¡ CreateInstance instance = new CreateInstance ();
¶þ¡¢clone
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......
public class TestClass{
public static void main(String args[]){
VarArgs(1, "one");
VarArgs(2, "one", "two");
VarArgs(3, "one", "two", "three");
VarArgs(0); // Attention!
}
static void VarArgs(int nRequired, String... trailing){
System.out.print("Required: " + nRequired + " ");
......
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ConcurrentMap¼Ì³Ð×ÔMap£¬²¢Ìí¼ÓÁ˼¸¸öеÄÔ×Ó·½·¨£º putIfAbsent¡¢remove¡¢replace
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V
putIfAbsent(K key, V value)
Èç¹ûÖ¸¶¨¼üÒѾ²»ÔÙÓëij¸öÖµÏà¹ØÁª£¬Ôò½ ......