问题描述
importjavax.microedition.midlet.*;importjavax.microedition.lcdui.*;publicclassChoiceGroupTestextendsMIDlet{privateDisplaydisplay1;privateFormform;privateChoiceGroupcg;publicChoiceGroupTest(){display1=Display.getDisplay(this);form=newForm("ChoiceGroupTest");cg=newChoiceGroup("请选择喜欢的编程语言:",Choice.EXCLUSIVE);cg.append("c",null);cg.append("c++",null);cg.append("java",null););form.append(cg);}//构造函数publicvoidstartApp()throwsMIDletStateChangeException{display1.setCurrent(form);}//程序开始时就运行这函数publicvoidpauseApp(){}//暂停函数publicvoiddestroyApp(booleanunconditional){//notifyDestroyApp();}//程序终止函数,并释放内存资源}提示:3410170bytecodesexecuted145threadswitches1667classesinthesystem(includingsystemclasses)17743dynamicobjectsallocated(529812bytes)1garbagecollections(0bytescollected)Uncaughtexceptionjava/lang/NoClassDefFoundError:ChoiceGrouptest.