java.lang.NullPointerException

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  • how can i put conditions on ListView Item?
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    • java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference at com.example.zeba.broccoli.SubMenu$DownloadJSON.onItemClick(SubMenu.java:161) at android.widget.AdapterView.performItemClick(AdapterView.java:339) at android.widget.AbsListView.performItemClick(AbsListView.java:1532) at android.widget.AbsListView$PerformClick.run(AbsListView.java:3700) at android.widget.AbsListView$3.run(AbsListView.java:5684) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:6946) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
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