Generics in JAVA | Type of Generics | Java Tutorial for Beginners | Great Learning

This course is about Java Generics which allows us to create a single class, interface, and method that can be used with different types of data (objects). In this course, we will learn about the importance of generics and why we use it in programming. It is one of the useful features in Java. We will also talk about different types of Generics and the use of wildcard characters in generics. Concepts will be explained with the examples and their implementation.

00:01:12 - Agenda for Generics in Java
00:02:05 - Generics in Java
00:05:21 - Use of Generics in Java
00:14:40 - Type of Generics
00:26:30 - Generics Class implementation : Demo
00:36:40 - Type parameter
00:42:08 - Bounded Type Parameter: Demo
00:49:15 - Wildcards in Java generics
00:55:10 - Wildcards in Java generics: Demo
001:08:44 - Summary

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[akaappleboy]

1:04:51 List is an interface, its object can't be instantiated. We can only use List as Reference type (Reference to an Interface) & can create object (implement) ArrayList/LinkedList and other classes in the sub hierarchy.

[akaappleboy]

19:16 The instance of the ArrayList<> class is not aware of the Type as in run time, all the types are removed and Java treats everything as an object, which is termed as Type Erasure. The Generic Type is a compile time construct, it's just associated with the reference created to point at the object

[prisinha]

31:21 Generic method has return type T then what was void

[prisinha]

Could not understand handwriting until 26:29 therefore it is suggested to edit video to increase view count and introduce legible slides

[Krishna-zwih]

nice explaination for beginners tq madam

[prisinha]

34:44 very strange that b1 was of type String but it accepted int

[vasanthneiva]

my doubt is when i declare list<> l=new arraylist<Integer>(); which is to hold only integer object but i when i try to add strings also no error is coming, why its happening ???

[mitaligehlot]

mam when i do string value = a1.get[0] its throw a error

[namayanjapatricia]

Expound about also object immutability

[nareshkatukojwala]

Hi Madam, Please Provide me link or playlist of Full course of java program. I have Searched this tutorial in Great Learning channel but i did not find out this generics in java video. as i want to please help me Full Course of link or playlist channel. please help me, please help and consider me a student of you.

[hrideshkushwaha]

Sorry for bad reviews but please try to make students as simpler as possible something Missing in your explanation..