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Fundamentals of Java and Java Collections -geeksforgeeks Overview

Course Description

Java Lambda Expressions, HashMap, Deque…No idea what we are talking about? Come and learn about these concepts and tools through in-depth explanation of all Java collection frameworks!

Course Overview

Here the basics of Java and in-depth explanations to Java Collections Framework will be taught along with video explanations of some of its problems. The Java Collections Framework is a set of classes, interfaces, and methods that provide us with various data structures like LinkedList, ArrayList, HashMap etc. It also contains implementations of many algorithms that help us work with the data structures efficiently. Here youll learn how to use Collections Framework’s inbuilt classes and functions so you can implement some of the complex data structures easily & efficiently and perform operations on them. Therefore, learning the Collections Framework is crucial and critical for every Java programmer as it saves a lot of time while writing code.
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What you will learn

Begin by learning the basics of Java and also go through all the industry-required topics
Learn all the important Java Collections Framework data structures, classes, interfaces, and algorithms with the help of an in-depth explanation
Learn how to implement Collections Framework’s data structures during coding interviews in order to save time while writing your code
Learn about many inbuilt functions which help to implement complex Data Structures easily and efficiently

Course Content

01 Basics of Java
Introduction and Basic I/O, Variables, Operators and much more

02 Object-Oriented Programming in Java
Classes and Objects, Abstraction and Encapsulation, Access Modifiers and much more

03 Collections Overview
Introduction to Java Collections Framework, Collections hierarchy, Generics and much more

04 Java Lambda Expressions
Introduction to Lambda Expressions and ways to use them, Introduction to Method References and examples, Syntax of Lambda Expressions and much more

05 Java Streams
Introduction to Streams in Java, Various Applications of Streams, The Stream hierarchy and methods and much more

06 Array List
Introduction to List Interface, Using List Iterator, Introduction to ArrayLists and much more

07 Linked List
Introduction and implementation of LinkedList in Java, Problems with a video explanation and much more

08 Stack
Introduction to Stack, Implementation, Methods and much more

09 Queue
Introduction to Queue Interface, Implementation and usage, Methods and much more

10 Deque
Introduction to Deque, Implementation and usage, ArrayDeque and much more

11 Priority Queue
Introduction to PriorityQueue, Implementation and usage, Methods and much more

12 HashSet and LinkedHashSet
Introduction to HashSet, Introduction to LinkedHashSet, Implementation and usage and much more

13 TreeSet
Introduction to TreeSet, Implementation and usage, Methods and much more

14 HashMap and LinkedHashMap
Introduction to HashMap, Introduction to LinkedHashMap, Implementation and usage and much more

15 TreeMap
Introduction to TreeMap, Implementation and usage, Methods and much more

16 String
Introduction to Strings, Introduction to StringBuilder and StringBuffer, Implementation and usage and much more

17 Comparator and Comparable
Introduction to Comparable Interface, Introduction to Comparator Interface, Methods of Comparator Interface and Examples on it and much more

18 Arrays Class
Introduction to Arrays and the Arrays Class, Implementation and usage, Traversal and much more

19 Collections Class
Introduction to Collections Class, Methods like fill(), reverse(), binarySearch(), max(), min(), frequency() and much more

20 Sorting
Introduction to sorting in Java, Arrays.sort(), Collections.sort() and much more

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