Code Android bị IndexOutOfBoundsException

[Thai_Nguyen_Van (Thái Nguyễn Văn)]

E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.ailatrieuphureal, PID: 8647
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.ailatrieuphureal/com.example.ailatrieuphureal.MainActivity}: java.lang.IndexOutOfBoundsException: Index: 4, Size: 4
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2913)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6669)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
     Caused by: java.lang.IndexOutOfBoundsException: Index: 4, Size: 4
        at java.util.ArrayList.get(ArrayList.java:437)
        at com.example.ailatrieuphureal.MainActivity.setDataQuestion(MainActivity.java:56)
        at com.example.ailatrieuphureal.MainActivity.onCreate(MainActivity.java:36)
        at android.app.Activity.performCreate(Activity.java:7136)
        at android.app.Activity.performCreate(Activity.java:7127)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048) 
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78) 
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) 
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808) 
        at android.os.Handler.dispatchMessage(Handler.java:106) 
        at android.os.Looper.loop(Looper.java:193) 
        at android.app.ActivityThread.main(ActivityThread.java:6669) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

e code xong thi run bi loi nay a

[htwap (lu___va_sa__)]

@Thai_Nguyen_Van

java.lang.IndexOutOfBoundsException: Index: 4, Size: 4

lỗi đây nè, bạn debug xem code chạy đến chỗ nào bị lỗi r sửa tiếp thôi