String str1,str2; @Overridepublicvoidstart(Stage stage){ HBox hbTop=newHBox(); HBox hbBottom=newHBox(); hbBottom.setAlignment(Pos.CENTER); hbBottom.setSpacing(60); VBox vbox=newVBox(); vbox.setSpacing(15); Text t1=newText("Number1:"); t1.setFont(newFont(20)); Text t2=newText("...
double result = 0.0;do{getOption (&option); //显示菜单,读选项if (option != 5){getNumbers(&a, &b, option);//读两个操作数,若为除法,判别除数不为零若除数为零,要求用户重新输入calc(a, b ,option, &result);// 完成运算,并返回结果printResult(a, b, option, result);//...