Set table column auto-resize off : Table Column « Swing JFC « Java

Set table column auto-resize off


import java.awt.Component;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableColumnModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;

public class Main {
  public Main() {
    JTable table = new JTable(3, 3);

    for(int i=0;i<table.getColumnCount();i++){
      DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
      TableColumn col = colModel.getColumn(i);
      int width = 0;

      TableCellRenderer renderer = col.getHeaderRenderer();
      if (renderer == null) {
        renderer = table.getTableHeader().getDefaultRenderer();
      Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false,
          false, 0, 0);
      width = comp.getPreferredSize().width;
    JFrame f = new JFrame();
    f.add(new JScrollPane(table));
    f.setSize(300, 300);

  public static void main(String[] argv) {
    new Main();


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