.properties or .ini file read and write using java

[user.properties]

DBuser=anonymous
DBpassword=&8djsx
DBlocation=bigone

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class ReadandWrite {
public static void main(String args[]) {
ReadandWrite props = newReadandWrite();
props.readit();
props.writeit();

}

public void readit() {
try{
Properties p = new Properties();
p.load(new FileInputStream("user.properties"));
System.out.println("user = " + p.getProperty("DBuser"));
System.out.println("password = " + p.getProperty("DBpassword"));
System.out.println("location = " + p.getProperty("DBlocation"));
p.list(System.out);
}
catch (Exception e) {
System.out.println(e);
}
}

public void writeit() {
 try{
   Properties p = new Properties();
   p.load(new FileInputStream("user.properties"));
   p.list(System.out);
   // new Property
   p.put("today", new Date().toString());
   // modify a Property
   p.put("DBpassword","foo");
   FileOutputStream out = new FileOutputStream("myuser.properties");
   p.save(out, "/* properties updated */");
   }
 catch (Exception e) {
   System.out.println(e);
   }
 }

}