String class have a concat() function that is used to _____________________
A. Replace old string by new string
B. Add two strings
C. Append one string at end of another string
D. Remove a string from end of one string
Answer:C
String class have a concat() function that is used to _____________________
A. Replace old string by new string B. Add two strings C. Append one string at end of another string D. Remove a string from end of one string