Properties TreeMap and Stream : Preference Properties « Development Class « Java

1. Java
2. Development Class
3. Preference Properties

Properties TreeMap and Stream

     
import java.io.FileOutputStream;
import java.util.Map;
import java.util.Properties;
import java.util.TreeMap;

public class List {
  public static void main(String args[]) throws Exception {
    Properties p = System.getProperties();
    p.list(System.out);
    FileOutputStream fos = new FileOutputStream("sys.out");
    p.store(fos, null);
    fos.close();
    Map map = new TreeMap(p);
    System.out.println(map);
  }
}

           
         
    
    
    
    
  

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