classCalc{2.publicstaticvoidmain(String[]args){3.try{4.intx=Integer.parseInt("42a");5.//in
9 查阅
A.}catch(ClassCastExceptionc){
B.}catch(IllegalStateExceptionc){
C.}catch(NumberFormatExceptionn){
D.}catch(IllegalArgumentExceptione){
参考答案: