Border Layout & flow layout

Border Layout & flow layout - CSc 2700 Lecture 7 Border...

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CSc 2700: Lecture # 7 Border Layout September 18, 2008 1 Introduction To add components to a frame, Java provides layout managers. Each layout manager is an object that determines how components are placed in a frame. DiFerent layout managers arrange widgets diFerently. In this lecture we will discuss the border layout manager. In subsequent lectures, we will discuss additional layout managers. 2 Border Layout BorderLayout is the default layout manager for J±rame. If you do not in- stantiate a layout manager for a frame, components are placed in a frame using the BorderLayout layout manager. The BorderLayout manager divides a frame into ²ve areas: NORTH, WEST, SOUTH, EAST, and CENTER. The BorderLayout constructors are: ±igure 1: BorderLayout 1
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BorderLayout() BorderLayout(int horizGap, int vertGap) where horizGap and vertGap specify horizontal and vertical space, in pixels, between components. The method add(Component c, int region) places a component into a container. The parameter region is speciFed by one of the constants BorderLayout.NORTH, BorderLayout.SOUTH, BorderLayout.EAST, BorderLayout.WEST, or BorderLayout.CENTER If no region is speciFed, a component is placed in the center region. Only one component can be placed in a region and components are resized to Ft the region. A button is a member of the JButton class. Three constructors are: JButton() ,
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This note was uploaded on 10/06/2009 for the course CSC 2700 taught by Professor Duncan during the Spring '08 term at LSU.

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Border Layout & flow layout - CSc 2700 Lecture 7 Border...

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