Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems: MyListener cannot be resolved to a type MyListener cannot be resolved to a type Return type for the method is missing Syntax error on token "mouse", VariableDeclaratorId expected after this token mouse cannot be resolved to a type Syntax error on token ")", { expected after this token Syntax error, insert "}" to complete MethodBody at View.<init>(View.java:13) at Application.createView(Application.java:65) at Application.actionPerformed(Application.java:82) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.AbstractButton.doClick(Unknown Source) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.menuDragMouseReleased(Unknown Source) at javax.swing.JMenuItem.fireMenuDragMouseReleased(Unknown Source) at javax.swing.JMenuItem.processMenuDragMouseEvent(Unknown Source) at javax.swing.JMenuItem.processMouseEvent(Unknown Source) at javax.swing.MenuSelectionManager.processMouseEvent(Unknown Source) at javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.eventDispatched(Unknown Source) at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Unknown Source) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Unknown Source) at java.awt.Toolkit.notifyAWTEventListeners(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Window.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)