中国石油大学(华东) / 程序设计(Java)
正确率:100%
正确的是()
A.String s=“Welcome to our school”; String t=“thanks”; String k=s+t;
B.String s=“Welcome to our school”; String s=s.toUpperCase();
C.String s=“Welcome to our school”; String t=s[3]+“again”;
D.String s=“Welcome to our school”; String t=s–“school”;
参考答案:
佳题速递: