MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/*
javax.swing.DefaultBoundedRangeModel[value=0, extent=0, min=0, max=100, adj=false]
Now setting minimum to 50 . . .
A ChangeEvent has been fired!
javax.swing.DefaultBoundedRangeModel[value=50, extent=0, min=50, max=100, adj=false]
Now setting maximum to 40 . . .
A ChangeEvent has been fired!
javax.swing.DefaultBoundedRangeModel[value=40, extent=0, min=40, max=40, adj=false]
Now setting maximum to 50 . . .
A ChangeEvent has been fired!
javax.swing.DefaultBoundedRangeModel[value=40, extent=0, min=40, max=50, adj=false]
Now setting extent to 30 . . .
A ChangeEvent has been fired!
javax.swing.DefaultBoundedRangeModel[value=40, extent=10, min=40, max=50, adj=false]
Now setting several properties . . .
A ChangeEvent has been fired!
javax.swing.DefaultBoundedRangeModel[value=40, extent=10, min=40, max=50, adj=true]
A ChangeEvent has been fired!
A ChangeEvent has been fired!
A ChangeEvent has been fired!
A ChangeEvent has been fired!
javax.swing.DefaultBoundedRangeModel[value=40, extent=20, min=0, max=100, adj=false]
*/
import javax.swing.DefaultBoundedRangeModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class MainClass {
    public static void main(String args[]) {
        try {
            DefaultBoundedRangeModel model = new DefaultBoundedRangeModel();
            ChangeListener myListener = new MyChangeListener();
            model.addChangeListener(myListener);

            System.out.println(model.toString());
            System.out.println("Now setting minimum to 50 . . .");
            model.setMinimum(50);
            System.out.println(model.toString());
            System.out.println("Now setting maximum to 40 . . .");
            model.setMaximum(40);
            System.out.println(model.toString());
            System.out.println("Now setting maximum to 50 . . .");
            model.setMaximum(50);
            System.out.println(model.toString());
            System.out.println("Now setting extent to 30 . . .");
            model.setExtent(30);
            System.out.println(model.toString());

            System.out.println("Now setting several properties . . .");
            if (!model.getValueIsAdjusting()) {
                model.setValueIsAdjusting(true);
                System.out.println(model.toString());
                model.setMinimum(0);
                model.setMaximum(100);
                model.setExtent(20);
                model.setValueIsAdjusting(false);
            }
            System.out.println(model.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class MyChangeListener implements ChangeListener {
    public void stateChanged(ChangeEvent e) {
        System.out.println("A ChangeEvent has been fired!");
    }
}