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java Preferences³Ö¾Ã»¯Ê¹ÓÃʾÀý

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public class PreferencesDemo {

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import java.io.IOException;
public class ResponseUI extends Thread{
private static volatile double d = 1;

public ResponseUI(){
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start();
}

public void run(){
while(true){
d = d + (Math.E + Math.PI) / d;
}
}
/**
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public static boolean validateEmail(String email){
//Pattern pattern = Pattern.compile("[0-9a-zA-Z]*.[0-9a-zA-Z]*@[a-zA-Z]*.[a-zA-Z]*", Pattern.LITE ......

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