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

new FormData()

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
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 FormLayout Example");
    s.setLayout(new FormLayout());
    
    final Label l1 = new Label(s, SWT.RIGHT);
    l1.setText("First Name");
    FormData fd = new FormData();
    fd.top = new FormAttachment(10, 10);
    fd.left = new FormAttachment(0, 10);
    fd.bottom = new FormAttachment(30,0);
    fd.right = new FormAttachment(40,0);
    l1.setLayoutData(fd);
    
    final Label l2 = new Label(s, SWT.RIGHT);
    l2.setText("Last Name");
    fd = new FormData();
    fd.top = new FormAttachment(l1, 5);
    fd.left = new FormAttachment(0, 10);
    fd.bottom = new FormAttachment(40,0);
    fd.right = new FormAttachment(40,0);
    l2.setLayoutData(fd);
    
    final Text t1 = new Text(s, SWT.BORDER | SWT.SINGLE);
    fd = new FormData();
    fd.top = new FormAttachment(l1, 0, SWT.TOP);
    fd.left = new FormAttachment(l1, 10);
    t1.setLayoutData(fd);
    
    final Text t2 = new Text(s, SWT.BORDER | SWT.SINGLE);
    fd = new FormData();
    fd.top = new FormAttachment(l2, 0, SWT.TOP);
    fd.left = new FormAttachment(l2, 10);
    t2.setLayoutData(fd);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}