FIT100
Overloading Plus
The
+ can be used to add numbers or join strings
(concatenate)
•5 +
5 Û 10
•"a"
+ "b" + "c" Û "abc"
•'5' +
'5' Û '55'
•The
operand type determines the operation
•Combine
a number and string???
•5 +
'5' Û '55’
•Rule: With an operand of each type, convert number to
string, concatenate
Û is the symbol for “has the value”