哪里錯了啊
public class HelloWorld{
? ? public static void main(String[] args) {
String hobby="我愛慕課網(wǎng)";
System.out.println(+hobby);
hobby="idcbgp.cn";
System.out.println(+hobby);
}
}
慕妹8503137
2020-07-12
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2020-07-12
public class HelloWorld{
? ? public static void main(String[] args) {
String hobby="我愛慕課網(wǎng)";
System.out.println(hobby);
hobby="idcbgp.cn";
System.out.println(hobby);
}
}
//不用帶+號，+號是兩個東西的拼接