Swing - make new line for String

• 
  

  code

  
  

  
  String error = "";
  
  if(jTextField1.getText().length == 0){
      error += "Please enter your first name.\n";
  }
  
  if(jTextField2.getText().length == 0){
      error += "Please enter your last name.\n";
  }
  
  jLabel3.setText(error);
  
  



• 
  

  From above code, my output is the following:
  
  Please enter your first name. Please enter your last name.

  
  


• 
  

  My expected output:
  
  Please enter your first name.
  
  Please enter your last name.
  

  
  


• 
  

  I also tried the following: jLabel3.setText(error + "\n");
  
  However, it doesn't works.

  
  


• 
  

  How do I make a new line break in string?