This tutorial will teach you how to generating Auto Invoice No using Java and Mysql.this example will important for developing the inventory management system project. FirstStep  : we have to establish the database connection Connection con; PreparedStatement pst; public void Connect() { try { Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost/mcafe", "root", ""); } catch (ClassNotFoundException ex) { ex.printStackTrace(); } catch (SQLException ex) …

This tutorial will teach you how to make a Button Clicked Calculated Using Java. The programme which help you to understand how many times you clicked the button. Put the following code inside the ok button int clicked; //create the Integer variable final String text= "No of times button clicked = "; //create the String variable private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) …

This tutorial will teach you how to alculating manpower project using java. Paste the code inside the Cal Button double projectdays,projecthours,works,tot; projectdays = Double.parseDouble(txtdays.getText()); projecthours = Double.parseDouble(txthours.getText()); projectdays = Double.parseDouble(txtemp.getText()); tot = projectdays * projecthours * projectdays; txttot.setText(String.valueOf(tot)); Paste the code inside the Exit Button System.exit(0);