Basic HTML version of Foils prepared 18 May 97

Foil 51 Some Further AWT Components -- Canvas, Window - I

From Java Tutorial - Spring 1997 Part 3:Graphics and the Abstract Windowing Toolkit Peking Tutorial, Web Certificate -- Spring-Summer 1997. by Nancy J. McCracken,Geoffrey C. Fox
1 Canvas is a simple class which are used to draw on as in artist's canvas. They cannot contain other components. This is the class on which you use the graphics methods.
2 Upto now, we have described how to build typical Applet panels inside browser window. There are classes that allow one to generate complete windows separately from the browser window
3 Window Class has subclasses Frame and Dialog
4 Frame("TitleofWindow"); // creates a window with memubar and given title
  • Note Frame is a Container and can thereof be defined hierarchically with components that are laid out by LayoutManagers
  • Note a Frame in Java is NOT THE SAME as a frame in Netscape 2.0 and higher
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