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How to call the Loop in Jtextfield


Right now you are directing your boxes to System.out. So you need to direct them to your text component.

Also, you can't use JTextField for this because it is not multiline. Instead, you should use something like a JTextArea inside a JScrollPane.

resultTF = new JTextArea();
Font f = resultTF.getFont();
resultTF.setFont(new Font(Font.MONOSPACED,
f.getStyle(), f.getSize()));

add(new JScrollPane(resultTF));

.
.
.

for(int i = 0; i < height; i++) {
    for(int j = 0; j < width; j++) {
        resultTF.append(".");
    }
    resultTF.append("
");
}

If you don't want a scroll pane, you could also, for example, create the text area with specific rows and columns (new JTextArea(5, 5)), use a StringBuilder to create your box and use setText instead of append.

As a side note, you should be creating your GUI on the Swing event thread. In other words, your main should be wrapped in a call to invokeLater:

public static void main(String[] args)
{
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            Box p = new Box();
        }
    });
}

See also:


Categories : Java

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You should place String playerName = jTextFieldPlayerName.getText(); inside actionPerformed method as you are printing global playerName but it's never been initialized thats why it prints null. You can do something like below. public void actionPerformed(ActionEvent evt) { Object src = evt.getSource(); String playerName = jTextFieldPlayerName.getText(); if (src == startText1Contin

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