GetValueAtLogic.java Source code

Introduction

Here is the source code for GetValueAtLogic.java

Source

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

public class GetValueAtLogic extends JFrame {
    public GetValueAtLogic() {
        JTable table = new JTable(new CoordinateTableModel());
        getContentPane().add(new JScrollPane(table), BorderLayout.CENTER);
        pack();
    }

    public static void main(String arg[]) {
        GetValueAtLogic ex1 = new GetValueAtLogic();
        ex1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        ex1.setVisible(true);
    }
}

class CoordinateTableModel extends AbstractTableModel {
    private int[] x = { 2, 3, 5, 7, 11, 13, 17, 19 }; // x is prime < 20

    public int getColumnCount() {
        return 2;
    }

    public int getRowCount() {
        return x.length;
    }

    public Object getValueAt(int r, int c) {
        return (c == 0) ? new Integer(x[r]) : new Integer(2 * x[r] + 1);
    }

    public String getColumnName(int c) {
        return (c == 0) ? "x" : "2x+1";
    }
}