為啥 final char以后 不能用+
public class HelloWorld{
? ? public static void main(String[] args) {
final char SEX1 = "男";
final char SEX2 = "女";
System.out.println(SEX1+SEX2);
}
}
public class HelloWorld{
? ? public static void main(String[] args) {
final char SEX1 = "男";
final char SEX2 = "女";
System.out.println(SEX1+SEX2);
}
}
2018-01-08
舉報
2018-01-08
首先你變量值要用單引號,不能用雙引號,其次char類型的數據類型行是不能用來直接相加的