Section 22.5 JPopupMenu
• Context-sensitive pop-up menus (p. 925) are created with class JPopupMenu. The pop-up trigger event occurs normally when the user presses and releases the right mouse button. MouseEvent method isPopupTrigger (p. 928) returns true if the pop-up trigger event occurred.
• JPopupMenu method show (p. 928) displays a JPopupMenu. The first argument specifies the origin component, which helps determine where the JPopupMenu will appear. The last two arguments are the coordinates from the origin component’s upper-left corner, at which the JPopupMenu appears.
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