My app unexpexteddly stopped

Good day

 

I am developing an app for android, when debugging in the emulator and clicking a button my app shows"app name unexpectedly stopped".

See below for the log cat errors

 

10-16 08:50:26.847 6108-6108/com.weblinxpro.akadautme D/AndroidRuntime? Shutting down VM
10-16 08:50:26.942 6108-6108/com.weblinxpro.akadautme E/AndroidRuntime? FATAL EXCEPTION: main
Process: com.weblinxpro.akadautme, PID: 6108
java.lang.ArrayIndexOutOfBoundsException: length=99; index=99
at com.weblinxpro.akinyemi.akadautme.Eng2012$1.onClick(Eng2012.java:85)
at android.view.View.performClick(View.java:4598)
at android.view.View$PerformClick.run(View.java:19268)
at android.os.Handler.handleCallback(Handler.java:738)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5070)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:836)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:631) 

 

Kindly proffer a possible solution

Rehards