Search:

I see where my error is... StringBuilder stringBuilder = new StringBuilder(hello);

I didn't assign an initial value (hello) in the constructor...

If I want to show the first text "Java is cool!" using JOptionPane, then append.("I love it!) to the text, "Java is cool!" does not appear. So I assumed I needed to use (string,...

I'm using the JOptionPane to display and receive information to/from the user. In addition to this, I am using StringBuilder to receive inputs from the user and then manipulate (append) that input to...