Tag Archives: JFrame

JComboBox in Java swing

By | April 20, 2012

This shows you how to add JcomboBox to JPanel import java.awt.*; import java.awt.event.*; import java.text.DecimalFormat; import javax.imageio.ImageIO; import javax.swing.*; public class Example implements WindowListener { JFrame content_frame = new JFrame(); JPanel panel = new JPanel(); JComboBox Combonote; public Example() { content_frame.setTitle(“Contents”); content_frame.addWindowListener(this); content_frame.setSize(300, 300); content_frame.setVisible(true); content_frame.setLocationRelativeTo(null); content_frame.setResizable(false); ///cannot maximize content_frame.setVisible(true); showComboBox(); } private void showComboBox()… Read More »

Swing JPanel with background image

By | March 7, 2011

This code add an image to Jpanel. JPanel panel1 = new JPanel(); JFrame recursion_frame = new JFrame(); BackgroundPanel stack_image1 = new BackgroundPanel(“Recursion.jpg”); panel1.setLayout(null); panel1.setLayout(new BorderLayout()); panel1.setBackground(Color.lightGray); panel1.setVisible(true); recursion_frame.setContentPane(panel1); ///adding to panel… recursion_frame.getContentPane().add(stack_image1); //adding image to panel…

Position swing window in center of the screen

By | March 7, 2011

In some case we need to position the window in the center of the screen . The same effect can be achieved by hard coding the center points .But in that case the window position change when the screen resolution changes This code will position the window in center irrespective of different screen resolutions public… Read More »