哪里错了啊
public class HelloWorld{
public static void main(String[] args) {
String hobby="我爱慕课网";
System.out.println(+hobby);
hobby="www.imooc.com";
System.out.println(+hobby);
}
}
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public class HelloWorld{
public static void main(String[] args) {
String hobby="我爱慕课网";
System.out.println(+hobby);
hobby="www.imooc.com";
System.out.println(+hobby);
}
}
2020-07-12
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