Java Programming Ideas

1. Everything objects
2. A program is a collection of objects
3. Each object is composed of other objects
4. Each object has its type
5. The same type of object can receive the same message

In simple terms: objects have state, behavior, and identity

Each object is also given to the service provider, which accomplishes its service by using the services provided by other objects

In the Java language is a single inheritance

1.9 container "Java middle finger list,map,set
1.91 parameterized type "generic eg:list<string> list=new arraylist<string> ();

Java Programming Ideas