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package gggg;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class MyEclipseGen {
private static final ......
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import java.io.File;
import java.io.IOException;
public class Test {
public static void main(String[] args) throws IOException{
// TODO Auto-generated method stub
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double a = (3.3-2.4)/0.1;
System.out.println(a);
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import java.text.Format;
import java.text.SimpleDateFormat;
File file = new File("a.txt");
long time = file.lastModified();
Date d = new Date(time);
Format simpleFormat = new SimpleDateFormat("E dd MMM yyyy hh:mm:ss a");
String dateString = simpleFormat.format(d);
System.err.println(file.getN ......
import java.text.DecimalFormat
double a = 2.3659874;
//СÊý¸ñʽ»¯£¬ÒýºÅÖеÄ0.000±íʾ±£ÁôСÊýµãºóÈý루µÚËÄλËÄÉáÎåÈ룩
DecimalFormat df = new DecimalFormat("0.000");
String num = df.format(a);
System.out.println(num);
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