This Java runtime exception happens when the wrong type of object is placed into an array. In the example below, a BigInteger array is created, followed by an attempt to add a Double. The Double does ...

J2SE 5 provided significant new language features that made Java significantly easier to use and more expressive than it had ever been.

0, 3, null, options, options[0]); The array named options defines the three fields to display in the dialog box. The array is then passed as the seventh of eight parameters required by the JOptionPane ...