Component Event in java programming (V66)

ComponentEvent

ComponentEvent is an event that occurs when a component (such as a JFrame, JPanel, JButton, etc.) is moved, resized, shown, or hidden.

Example:

Source Code: 

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import java.awt.Color;
import java.awt.Dimension;
    
private void colorPanelComponentResized(java.awt.event.ComponentEvent evt) {                                            
        Dimension size = colorPanel.getSize();
        int width = size.width;

        if (width < 200) {
            colorPanel.setBackground(Color.PINK);
        } else if (width < 300) {
            colorPanel.setBackground(Color.ORANGE);
        } else {
            colorPanel.setBackground(Color.GREEN);
        }
}                                                

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