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+package gui.components;%0A%0Aimport javax.swing.JPasswordField;%0Aimport java.awt.*;%0A%0A/**%0A * Simple single line password field (i.e. with characters hidden)%0A */%0Apublic class TextFieldPasswordSingleLine extends JPasswordField %7B%0A    /**%0A     * Constructor with default parameters.%0A     */%0A    public TextFieldPasswordSingleLine(int columns) %7B%0A        super();%0A        setColumns(columns);%0A        setPreferredSize(new Dimension(30, 10));%0A        setMaximumSize(getPreferredSize());%0A    %7D%0A%7D%0A

Create TextFieldPasswordSingleLine component