import javax.swing.JFrame; import javax.swing.JSpinner; import javax.swing.SpinnerModel; import javax.swing.SpinnerNumberModel; import java.awt.FlowLayout; import java.awt.Dimension; class Program01 extends JFrame { SpinnerModel spinmodel; JSpinner lepteto; Program01() { int min = 2; int max = 15; int leptek = 1; int kezdoErtek = 9; spinmodel = new SpinnerNumberModel(kezdoErtek, min, max, leptek); lepteto = new JSpinner(spinmodel); Dimension d = lepteto.getPreferredSize(); d.width = 50; lepteto.setPreferredSize(d); setLayout(new FlowLayout()); add(lepteto); setSize(400, 300); setVisible(true); } public static void main(String args[]) { new Program01(); } }