int x = 3, y = 4, z = 5;
String s = "xyz";
string hovertree = s + x + y + z;
A)xyz12
B)xyz345
C)xyzxyz
D)12xyz
答案:http://hovertree.com/tiku/bjaf/nj1js940.htm
A) if
B) 3ab
C) a_3b
D) a-bc
答案:http://hovertree.com/tiku/bjaf/3ntux9r9.htm
模拟电子琴键盘: http://www.cnblogs.com/sosoft/p/cspiano.html
时间: 2024-10-15 22:07:35