25.1 C
Delhi
Monday, March 18, 2019
Home Programming Interview Questions

Interview Questions

Why Null passed in first argument for the messageDialog in java ?

Null passed in first argument: JOptionPane showMessageDialog method signatures: showMessageDialog(Component parentComponent, Object message)   or showMessageDialog(Component parentComponent, Object message, String title, int messageType) or showMessageDialog(Component parentComponent, Object message, String title, int messageType, Icon icon) first parameter is...