2018-04-03到2018-07-01
第4周 第四周测验
1、 设s=’I AM A STUDENT’ , t=’GOOD’ , q=’WORKER’则Concat(Substring(s,6,2),Concat(t,Replace(s,’STUDENT’,q)))=( )
A:A GOOD I AM A WORKER
B:ST GOODSTUDENT
C:A GOOD STUDENT
D:A GOOD WORKER
答案: A GOOD I AM A WORKER
2、 设串sl=″Data Structures with Java″,s2=“it″,则子串定位函数index(s1,s2)的值为( )
A:15
B:16
C:17
D:18
答案: 18