为什么我前面一直有<pre>啊
public class HelloWorld{
public static void main(String[] args) {
String a1 = "我爱慕课网";
String a2 = "www.imooc.com";
System.out.println(a1+a2);
}
}

public class HelloWorld{
public static void main(String[] args) {
String a1 = "我爱慕课网";
String a2 = "www.imooc.com";
System.out.println(a1+a2);
}
}

2017-09-08
举报