以下表达式哪些不会引起运行时错误？
A.
"john" + " was " + " here"
B.
"john" + 3
C.
3 + 5
D.
5 + 5.5
E.
都会引起运行时错误
正确答案是ABCD
以下表达式哪些不会引起运行时错误？
A.
"john" + " was " + " here"
B.
"john" + 3
C.
3 + 5
D.
5 + 5.5
E.
都会引起运行时错误
正确答案是ABCD