Do declared properties require a corresponding instance variable?

Do declared properties require a corresponding instance variable?

objective-c instance-variables declared-property

objective-c

Are ints always initialized to 0?

objective-c initialization int instance-variables

objective-c

Properties and Instance Variables in Objective-C

objective-c cocoa cocoa-touch properties instance-variables

objective-c

Must every ivar be a property?

objective-c ios properties instance-variables

objective-c

How to make a real private instance variable?

objective-c private visibility instance-variables

objective-c

Should I declare variables in interface or using property in objective-c arc?

ios objective-c automatic-ref-counting instance-variables

objective-c

Private ivar in @interface or @implementation

objective-c visibility instance-variables

objective-c

Properties for Class and Its Subclasses Only

objective-c properties protected instance-variables

objective-c

Local variables set to nil? (Objective-C)

objective-c instance-variables null static-variables

objective-c

Why are instance variables considered bad practice by Apple?

ios objective-c cocoa instance-variables

objective-c

Inheriting instance variables in Objective-c

objective-c inheritance instance-variables self

objective-c

Why do people always use reassignment for instance variables in Objective-C (namely iPhone)?

iphone objective-c coding-style instance-variables

objective-c