FlowLayout.getVgap() has the following syntax.
public int getVgap()
In the following code shows how to use FlowLayout.getVgap() method.
import java.awt.FlowLayout; /*from w w w .j a v a2 s.c o m*/ import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class Main extends JPanel { public Main() { FlowLayout flowLayout = new FlowLayout(FlowLayout.RIGHT, 10, 3); setLayout(flowLayout); add(new JButton("w w w.j a v a 2 s . c o m")); add(new JButton("w w w.j a v a 2 s . com")); add(new JButton("w w w.java2s.com")); add(new JButton("www.j ava 2 s . c o m")); System.out.println(flowLayout.getVgap()); } public static void main(String[] args) { JFrame frame = new JFrame(); frame.add(new Main()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(200, 200); frame.setVisible(true); } }