The # symbol shows a digit or nothing if no digit present : Format « Development Class « Java

1. Java
2. Development Class
3. Format

The # symbol shows a digit or nothing if no digit present

   

import java.text.DecimalFormat;
import java.text.Format;

public class Main {
  public static void main(String[] argv) throws Exception {

    Format formatter = new DecimalFormat("##");
    String s = formatter.format(-1234.567);
    System.out.println(s);
    s = formatter.format(0);
    System.out.println(s);
  }
}

   
    
    
  

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