随笔分类 -  英文博客

摘要：One of the most important concepts in object-oriented programming is that of inheritance. Inheritance allows us to define a class in terms of another 阅读全文

摘要：All Objective-C programs are composed of the following two fundamental elements: Program statements (code): This is the part of a program that perform 阅读全文

摘要：Objective-C allows you to define protocols, which declare the methods expected to be used for a particular situation. Protocols are implemented in the 阅读全文

摘要：NSLog method In order to print logs, we use the NSLog method in Objective-C programming language which we have used right from the Hello World example 阅读全文

摘要：There may be a situation, when you need to execute a block of code several number of times. In general, statements are executed sequentially: The firs 阅读全文

摘要：Fast enumeration is an Objective-C's feature that helps in enumerating through a collection. So in order to know about fast enumeration, we need know 阅读全文

摘要：Memory management is one of the most important process in any programming language. It is the process by which the memory of objects are allocated whe 阅读全文

摘要：What is an Expression? The most basic expression consists of an operator, two operands and an assignment. The following is an example of an expression 阅读全文

摘要：In Objective-C programming language, in order to save the basic data types like int, float, bool in object form, Objective-C provides a range of metho 阅读全文

摘要：The word polymorphism means having many forms. Typically, polymorphism occurs when there is a hierarchy of classes and they are related by inheritance 阅读全文