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Add multiple number input fields with JOptionPane and display the sum in Console with Java
At first, set multiple number input fields −
JTextField text1 = new JTextField(10); JTextField text2 = new JTextField(10); JTextField text3 = new JTextField(10); JTextField text4 = new JTextField(10); JTextField text5 = new JTextField(10); JTextField text6 = new JTextField(10); JTextField text7 = new JTextField(10); JTextField text8 = new JTextField(10); panel.add(text1); panel.add(text2); panel.add(text3); panel.add(text4); panel.add(text5); panel.add(text6); panel.add(text7); panel.add(text8);
Now, let us add the values of the multiple number input fields created above −
System.out.println(Integer.parseInt(text1.getText()) + Integer.parseInt(text2.getText()) + Integer.parseInt(text3.getText())+ Integer.parseInt(text4.getText())+ Integer.parseInt(text5.getText())+ Integer.parseInt(text6.getText())+ Integer.parseInt(text7.getText())+ Integer.parseInt(text8.getText()));
Above, we have displayed the sum in the Console.
The following is an example to sum multiple number input fields with JOptionPane −
Example
package my; import java.awt.GridLayout; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; public class SwingDemo { public static void main(String[] args) { JPanel panel = new JPanel(new GridLayout(5, 3)); JTextField text1 = new JTextField(10); JTextField text2 = new JTextField(10); JTextField text3 = new JTextField(10); JTextField text4 = new JTextField(10); JTextField text5 = new JTextField(10); JTextField text6 = new JTextField(10); JTextField text7 = new JTextField(10); JTextField text8 = new JTextField(10); panel.add(text1); panel.add(text2); panel.add(text3); panel.add(text4); panel.add(text5); panel.add(text6); panel.add(text7); panel.add(text8); JOptionPane.showMessageDialog(null, panel); System.out.println(Integer.parseInt(text1.getText()) + Integer.parseInt(text2.getText()) + Integer.parseInt(text3.getText())+ Integer.parseInt(text4.getText())+ Integer.parseInt(text5.getText())+ Integer.parseInt(text6.getText())+ Integer.parseInt(text7.getText())+ Integer.parseInt(text8.getText())); } }
Output
Now, enter the numbers in the TextField and click OK −
On pressing OK above, the result would be visible in the Console that is sum of all the numbers added above −
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