java - Passing an int variable to another activity makes the app crash,using putExtras -


i trying pass specific int variable through class crashes program. please have look:

first activity

public void highquiz(view view){      intent j= new intent(this,highscoretable.class);      j.putextra("new_variable_name",(int)lowerint);       startactivityforresult(j, 0);   }

second activity

    textview hs1 = (textview)findviewbyid(r.id.textview1);     bundle extras = getintent().getextras();     if (extras != null) {         int lowerint= extras.getint("new_variable_name");         hs1.settext(""+lowerint);     }

log

04-29 18:36:21.243: e/androidruntime(2104): fatal exception: main  04-29 18:36:21.243: e/androidruntime(2104): process: oxley.it, pid: 2104  04-29 18:36:21.243: e/androidruntime(2104): java.lang.runtimeexception: unable start activity componentinfo{oxley.it/oxley.it.highscoretable}: java.lang.nullpointerexception: attempt invoke virtual method 'void android.widget.textview.settext(java.lang.charsequence)' on null object reference  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activitythread.performlaunchactivity(activitythread.java:2298)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activitythread.handlelaunchactivity(activitythread.java:2360)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activitythread.access$800(activitythread.java:144)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activitythread$h.handlemessage(activitythread.java:1278)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.os.handler.dispatchmessage(handler.java:102)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.os.looper.loop(looper.java:135)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activitythread.main(activitythread.java:5221)  04-29 18:36:21.243: e/androidruntime(2104):     @ java.lang.reflect.method.invoke(native method)  04-29 18:36:21.243: e/androidruntime(2104):     @ java.lang.reflect.method.invoke(method.java:372)  04-29 18:36:21.243: e/androidruntime(2104):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:899)  04-29 18:36:21.243: e/androidruntime(2104):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:694)  04-29 18:36:21.243: e/androidruntime(2104): caused by: java.lang.nullpointerexception: attempt invoke virtual method 'void android.widget.textview.settext(java.lang.charsequence)' on null object reference  04-29 18:36:21.243: e/androidruntime(2104):     @ oxley.it.highscoretable.oncreate(highscoretable.java:25)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activity.performcreate(activity.java:5933)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.instrumentation.callactivityoncreate(instrumentation.java:1105)  04-29 18:36:21.243: e/androidruntime(2104):     @ android.app.activitythread.performlaunchactivity(activitythread.java:2251)  04-29 18:36:21.243: e/androidruntime(2104):     ... 10 more

try 

         if(getintent().hasextra("new_variable_name"))                         getintent().getintextra("new_variable_name");

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