edit stocks code error

[ma0dongfeng]

java.lang.IndexOutOfBoundsException: Index 0 out of bounds for length 0 at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) at java.base/java.util.Objects.checkIndex(Objects.java:372) at java.base/java.util.ArrayList.get(ArrayList.java:459) at me.bytebeats.mns.handler.AbsStockHandler.lambda$setOnSymbolSelectedListener$0(AbsStockHandler.java:50) at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:219) at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:199) at java.desktop/javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:246) at java.desktop/javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:443) at java.desktop/javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:453) at java.desktop/javax.swing.DefaultListSelectionModel.setSelectionInterval(DefaultListSelectionModel.java:497) at java.desktop/javax.swing.JTable.changeSelectionModel(JTable.java:2378) at java.desktop/javax.swing.JTable.changeSelection(JTable.java:2447) at java.desktop/javax.swing.plaf.basic.BasicTableUI$Handler.adjustSelection(BasicTableUI.java:1134) at java.desktop/javax.swing.plaf.basic.BasicTableUI$Handler.mousePressed(BasicTableUI.java:1057) at java.desktop/javax.swing.plaf.basic.BasicTableUI$MouseInputHandler.mousePressed(BasicTableUI.java:816) at java.desktop/java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:287) at java.desktop/java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:287) at java.desktop/java.awt.Component.processMouseEvent(Component.java:6651) at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3345) at java.desktop/java.awt.Component.processEvent(Component.java:6419) at java.desktop/java.awt.Container.processEvent(Container.java:2263) at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5029) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4861) at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918) at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4544) at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4488) at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307) at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2793) at java.desktop/java.awt.Component.dispatchEvent(Component.java:4861) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:778) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:751) at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:749) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:748) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:898) at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:820) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:743) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:439) at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:803) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:438) at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:119) at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:604) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:436) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:873) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:484) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)