Java Example - String Formatting

//StringFormat.java file

import java.util.*;public class StringFormat{
   public static void main(String[] args){
      double e = Math.E;
      System.out.format("%f%n", e);
      System.out.format(Locale.GERMANY, "%-10.4f%n%n", e);  //指定本地为德国（GERMANY）
   }}

The output result of the above code example is:

2.718282
2,7183

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