i think string is a object, not a reference. u can try to define a complex object to see when debug, it give u content directly or give u an address.
A string object may defined without an initializing value, in which case its initial value is an empty string (zero length, no characters):
i think string is a object, not a reference. u can try to define a complex object to see when debug, it give u content directly or give u an address.
A string object may defined without an initializing value, in which case its initial value is an empty string (zero length, no characters):
i think string is a object, not a reference. u can try to define a complex object to see when debug, it give u content directly or give u an address.
A string object may defined without an initializing value, in which case its initial value is an empty string (zero length, no characters):