18.31 java.awt.IllegalComponentStateException (JDK 1.1)

This exception signals that an AWT component is not in the appropriate state (for example, it hasn't been added to a container yet or is currently hidden) for some requested operation.

public class IllegalComponentStateException extends IllegalStateException {
    // Public Constructors
            public IllegalComponentStateException();
            public IllegalComponentStateException(String s);
}

Hierarchy:

Object->Throwable(Serializable)->Exception->RuntimeException-> IllegalStateException->IllegalComponentStateException