java step by step

Invoice No Generating using Java and Mysql

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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) { […]

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Cash Issue System using Java

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This tutorial will teach you how to make a Cash Issue System using Java Step by Step. First Select the textfield right click-> AddEvent Handler-> key-> keyRelased public void keyReleased(KeyEvent e) { double a = Double.parseDouble(txt1000.getText()) * 1000; txttot1000.setText(String.valueOf(a)); } Do each textfield same thing like above. After that Paste the Code inside the ok

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Retirement date Calculating System Java

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This tutorial will teach you how to make a Retirement date Calculating System Step by Step. Paste the Code inside the Ok button SimpleDateFormat df = new SimpleDateFormat(“yyyy-MM-dd”); String issuedate = df.format(jdate.getDate()); Calendar c = Calendar.getInstance(); txtjdate.setText(df.format(c.getTime())); c.add(Calendar.YEAR, 40); txtrdate.setText(df.format(c.getTime())); I have attached the video tutorial below it will help you  to do this  step by step.  

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Advanced Employee Salary System Using Java

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This tutorial will teach you Advanced Employee Salary Calculation System Using Java step by step. Paste the code inside the cal button double empname,sal,etf,epf,etfamount,epfamount,gsal,allow,nsal; private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { sal = Double.parseDouble(txtsal.getText()); if(chketf.isSelected()== true) { etfamount = sal * 10/100; } if(chketf.isSelected()== true) { epfamount = sal * 5/100; } txtetf.setText(String.valueOf(etfamount)); txtepf.setText(String.valueOf(epfamount)); gsal = sal

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CRUD Operations in Java using JDBC and MySQL (With Code Examples)

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If you are looking for how to develop a Java application that connects with a MySQL database and performs basic operations such as Create, Read, Update, and Delete, then you are in the right place. Here you will learn Java Database Connectivity (JDBC) step by step with examples. We will be using JDBC, Java, and MySQL, which are very popular for use in Java mini projects. What is CRUD? CRUD stands for Create, Read, Update, and Delete. These four actions are

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Calculating manpower project using java

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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);  

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