Java by API/org.eclipse.swt.layout/RowLayout

new RowLayout()

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class MainClass {
  public static void main(String[] a) {
    Display d = new Display();
    Shell s = new Shell(d);
    s.setSize(250,250);
    s.setText("A RowLayout Example");
    s.setLayout(new RowLayout());
    final Text t = new Text(s, SWT.SINGLE | SWT.BORDER);
    final Button b = new Button(s, SWT.BORDER);
    final Button b1 = new Button(s, SWT.BORDER);
    b.setText("OK");
    b1.setText("Cancel");
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}