MainClass.java Source code

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Here is the source code for MainClass.java

Source

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;

public class MainClass {
    public static void main(String args[]) {
        String rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
        String headers[] = { "Upper", "Lower" };

        JFrame frame = new JFrame("Tooltip Sample");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JTable table = new JTable(rows, headers);

        JLabel headerRenderer = new DefaultTableCellRenderer();
        String columnName = table.getModel().getColumnName(0);
        headerRenderer.setText(columnName);
        headerRenderer.setToolTipText("Wave");

        TableColumnModel columnModel = table.getColumnModel();
        TableColumn column = columnModel.getColumn(0);
        column.setHeaderRenderer((TableCellRenderer) headerRenderer);

        JScrollPane scrollPane = new JScrollPane(table);
        frame.add(scrollPane, BorderLayout.CENTER);
        frame.setSize(300, 150);
        frame.setVisible(true);
    }

}