Basic HTML version of Foils prepared 18 May 97

Foil 44 AWT Components -- Checkbox

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 Checkbox's are on-off toggles implemented as
2 add(new Checkbox("Red"));
3 add(new Checkbox("Green"));
4 add(new Checkbox("Blue"),null, true);
5 The first two are initially set to "false" as the optional third argument is not given. The last one is initially set to "true".
6 The state of a checkbox, i.e. whether it is checked, is given by the method, getState:
7 Checkbox cb = new Checkbox("Red");
8 add (cb);
9 . . .
10 if (cb.getState()) . . .;

in Table To:


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