java.lang.NullPointerException

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  • ActionListener problem
    via by 807541,
    • java.lang.NullPointerException at DecipherGUI$DecButtonListener.actionPerformed(DecipherGUI.java:115) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1767) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1820) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:258) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:227) at java.awt.Component.processMouseEvent(Component.java:5021) at java.awt.Component.processEvent(Component.java:4818) at java.awt.Container.processEvent(Container.java:1525) at java.awt.Component.dispatchEventImpl(Component.java:3526) at java.awt.Container.dispatchEventImpl(Container.java:1582) at java.awt.Component.dispatchEvent(Component.java:3367) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3359) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3074) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3004) at java.awt.Container.dispatchEventImpl(Container.java:1568) at java.awt.Window.dispatchEventImpl(Window.java:1581) at java.awt.Component.dispatchEvent(Component.java:3367) at java.awt.EventQueue.dispatchEvent(EventQueue.java:445) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:191) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130) at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)
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