problem solved by prepending
sendButton = new JButton();
before
sendButton.addActionListener(this);
Type: Posts; User: mechnik
problem solved by prepending
sendButton = new JButton();
before
sendButton.addActionListener(this);
Hello,
I am trying to complete an online gui programming tutorial at CS124, Fall 2009, Lab 11
The code below compiles but produces these runtime errors:
java.lang.NullPointerException
at...