In the following code the setPreferredSize method sets the size of the text, "Have a good day".
label = new Jlabel("Have a good day", SwingConstants.CENTER);
label.setPreferredSize(new Dimension(400,200));

Question

Quizplus · Accepted Answer

The setPreferredSize method sets the preferred size of the label, not the size of the text within the label. Setting the preferred size of the label to 400 pixels wide and 200 pixels tall means that the label will have that size, regardless of the length of the text.

In the Following Code the SetPreferredSize Method Sets the Size