Surround the string with <html></html>
and break the lines with <br/>
.
JLabel l = new JLabel("<html>Hello World!<br/>blahblahblah</html>", SwingConstants.CENTER);
Surround the string with <html></html>
and break the lines with <br/>
.
JLabel l = new JLabel("<html>Hello World!<br/>blahblahblah</html>", SwingConstants.CENTER);