package?HelloWorld; import?java.util.Scanner;//導入包 public?class?mathdemo?{ ?public?static?void?main(String[]?args)?{ ??//?TODO?Auto-generated?method?stub ????Scanner?getkey=new?Scanner(System.in);? ?int?x='王';//將char類型自動轉(zhuǎn)換為int類型 ?int?z='剛'; ?System.out.println("王的Unicode是："+x); ?System.out.println("剛的Unicode是："+z); ?System.out.println("請輸入數(shù)字"); ????int?a=getkey.nextInt();//獲取Unicode ????char?b=(char)a; ????System.out.println("新的字符是："+b); } }>??????????