How to get Input and Output in JOptionPane java Example Code Program

JOptionPane  easy input  output with dialog boxes How to get Input and Output in JOptionPane java Example Code Program JOptionPane Class for Easy IO Input,Output with Dialog Boxes Example


Get Input 


userInput = JOptionPane.showInputDialog(component, text);


userInput = JOptionPane.showInputDialog(this, "Enter a Number");


 For Message Display 

JOptionPane.showMessageDialog(component, text);

JOptionPane.showMessageDialog(this, “Hello,world!”);