Button Help
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source code to see a solution.
Task 1
Create an applet called CheckboxGroupTest.
import java.awt.*;
public class CheckboxGroupTest extends java.applet.Applet {
...
}
Task 2
Create a CheckboxGroup and 3 Checkbox objects with labels " 8 pt," "10 pt," and "12 pt."
import java.awt.*;
public class CheckboxGroupTest extends java.applet.Applet {
public void init() {
CheckboxGroup cbg = new CheckboxGroup();
// set the 8 pt button to be on initially
Checkbox cb1 = new Checkbox(" 8 pt", cbg, true);
Checkbox cb2 = new Checkbox("10 pt", cbg, false);
Checkbox cb3 = new Checkbox("12 pt", cbg, false);
add(cb1);
add(cb2);
add(cb3);
}
}
The Checkbox objects are created with a constructor that not only takes a label, but a CheckboxGroup controller object, and an initial state.
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