Playlist · Coder Army

Java Full Course 2026

by Coder Army · 57 videos

Listed in Best free Java courses on YouTube, ranked by total hours

Total watch time

2d 14h 46m

at 1× speed · exactly 2 days, 14 hours, 46 minutes, 28 seconds at 1×

At an hour a day you'd finish in 63 days

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63 days

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At each speed

1×	2d 14h 46m 28s
1.25×	2d 2h 13m 10s	−12h 33m
1.5×	1d 17h 50m 59s	−20h 55m
1.75×	1d 11h 52m 16s	−1d 2h 54m
2×	1d 7h 23m 14s	−1d 7h 23m

Average video1h 6m 5s

Longest2h 8m 10s

Shortest29m 15s

The shape of the course

57 videos in blocks of 10 · each column is a block's total, to scale

11h 58m

11h 48m

11h 19m

10h 53m

9h 35m

7h 13m

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About 63 days at an hour a day

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Videos (57)

2d 14h 46m in total · tick what you've watched

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1	JAVA Full Course \| Introduction to JAVA \| Java Full Course for Beginners in 2026	59:07	2026-02-16
2	Write Your First JAVA Program \| JVM, JDK & JRE Explained \| JSE vs JEE vs JME \| JAVA Full Course #2	41:34	2026-02-17
3	Java Variables & Data Types Explained \| Identifiers, Literals, Keywords \| JAVA Full Course #3	1:06:43	2026-02-18
4	How Java Stores Negative & Floating Point Numbers \| Java Full Course #4	57:55	2026-02-19
5	Java Type Conversions & Type Promotions Explained \| Casting in Java \| Java Full Course #5	36:43	2026-02-20
6	Java Operators \| Arithmetic + Unary + Logical + Bitwise + Assignment Operators \| Java Full Course #6	2:08:10	2026-02-23
7	Java Conditional Statements \| If, If-Else, If-Else-If Ladder, Switch Explained \| Full Java Course #7	1:21:29	2026-02-24
8	Java Loops & Jump Statements \| for, while, do-while, break, continue Explained \| Java Full Course #8	1:25:07	2026-02-25
9	Introduction to Arrays \| Declaration, Initialization, Traversal \| String Intro \| Java Full Course #9	1:47:01	2026-02-26
10	How Arrays work in Java \| Heap, Contiguous Storage, Random Access \| Java Full Course #10	54:03	2026-02-27

11	Java Functions Deep Dive \| Recursion \| Method Overloading \| Java Full Course #11	1:24:50	2026-03-02
12	Object Oriented Programming in Java \| Classes, Objects, new Keyword \| Java Full Course #12	1:05:11	2026-03-03
13	Constructors in Java \| Constructor Chaining, Overloading & this \| Java Full Course #13	58:02	2026-03-04
14	Objects Deep Dive \| Size, Call by Value vs Reference \| Shallow vs Deep Copy \| Java Full Course #14	44:21	2026-03-05
15	Static & Final in Java \| Static Methods, Blocks & String[] args \| Java Full Course #15	45:28	2026-03-06
16	Encapsulation & Inheritance in Java \| Java Packages & Super Keyword \| Java Full Course #16	1:38:02	2026-03-09
17	Abstraction & Polymorphism in Depth \| Abstract Class vs Interfaces \| Java Full Course #17	1:28:01	2026-03-10
18	AutoBoxing, Abstract classes & POJOs \| Why only one public class in java file \| Java Full Course #18	1:12:01	2026-03-11
19	Java Nested Classes \| Static Nested, Inner, Local & Anonymous Classes \| Java Full Course #19	1:20:58	2026-03-12
20	Java I/O Deep Dive \| InputStreams, System.in, Scanner vs BufferedReader \| Java Full Course #20	1:11:13	2026-03-13

21	Immutable Classes in Java \| How to Create Immutable Objects \| Java Full Course #21	35:04	2026-03-16
22	Most Important Class in Java \| Object Class (equals, hashCode, toString) \| Java Full Course #22	1:07:31	2026-03-17
23	Java Enums \| Why Not Use int/String for Constants? \| Java Full Course #23	1:12:09	2026-03-18
24	Java Interfaces Deep Dive \| Default Methods, Functional, Marker Interfaces \| Java Full Course #24	59:55	2026-03-19
25	Java Strings \| String Pool, Immutability, Internals \| Java Full Course #25	1:08:59	2026-03-23
26	Java Strings Part 2 \| All String Methods + StringBuilder vs StringBuffer \| Java Full Course #26	1:15:55	2026-03-24
27	Java Generics Deep Dive \| Bounded Types using extends \| Java Full Course #27	1:05:08	2026-03-25
28	Wildcards in Generics \| ?, ? extends, ? super \| Java Full Course #28	1:22:24	2026-03-26
29	Java Collection Framework Explained \| Data Structures + Complete Hierarchy \| Java Full Course #29	1:15:58	2026-03-27
30	Iterable Interface in Java \| Why Iterator Exists? \| For-Each Loop \| Java Full Course #30	1:16:01	2026-03-30

31	Java Collection Interface Deep Dive \| Methods & Internals \| Java Full Course #31	29:15	2026-03-31
32	Java List Interface Deep Dive \| ArrayList, LinkedList, Vector, Stack \| Java Full Course #32	44:38	2026-04-01
33	Set & Map Interface in Java \| Internal Working of HashMap, HashSet & TreeMap \| Java Full Course #33	1:37:28	2026-04-04
34	Set & Map Methods Explained \| EnumMaps, IdentityHashMaps & More \| Java Full Course #34	1:11:20	2026-04-06
35	Java Queue Interface Deep Dive \| PriorityQueue & Heap Explained \| Java Full Course #35	1:17:25	2026-04-07
36	Comparable Interface in Java \| Collections class \| Comparing Objects \| Java Full Course #36	44:35	2026-04-08
37	Java Lambdas & Functional Interfaces \| Comparator Interface \| Java Full Course #37	49:38	2026-04-09
38	Lambdas & Functional Interface Deep Dive \| Method References & Composition \| Java Full Course #38	1:55:09	2026-04-13
39	Introduction to Java Streams \| Creation & Architecture \| Java Full Course #39	1:03:20	2026-04-14
40	Java Stream Methods Deep Dive \| All Intermediate & Terminal Operations \| Java Full Course #40	1:00:12	2026-04-15

41	Java Optional Explained from Scratch \| All Methods + Streams Integration \| Java Full Course #41	1:16:34	2026-04-16
42	Parallel Streams in Java Explained \| Primitive Optional Classes \| Java Full Course #42	42:35	2026-04-17
43	Java Exception Handling from Scratch \| Exceptions vs Errors \| Java Full Course #43	55:46	2026-04-20
44	Exception Hierarchy Deep Dive \| throw vs throws \| Custom Exceptions \| Java Full Course #44	1:05:23	2026-04-21
45	Java Memory Management Explained in Depth \| Stack, Heap, Method Area & PC \| Java Full Course #45	1:04:10	2026-04-27
46	Java Heap Memory Deep Dive \| Garbage Collection Algorithms Explained \| Java Full Course #46	1:02:53	2026-04-28
47	Introduction to Multithreading in Java \| Process vs Thread \| Java Full Course #47	51:38	2026-04-29
48	Java Thread Creation & Lifecycle Explained from Scratch \| Java Full Course #48	1:01:00	2026-05-01
49	Thread Methods \| sleep, join, yield, interrupt, isAlive, priority & more \| Java Full Course #49	39:05	2026-05-05
50	Problems in Multithreading \| Race Condition, Visibility, Ordering Explained \| Java Full Course #50	55:54	2026-05-06

51	Monitor Locks in Java \| Synchronized Keyword, Static Sync & Custom Locks \| Java Full Course #51	47:57	2026-05-07
52	Inter Thread Communication in Java \| wait(), notify(), notifyAll() Deep Dive \| Java Full Course #52	1:03:17	2026-05-08
53	Java Locks \| ReentrantLock, ReadWriteLock, StampedLock, Semaphore & Condition \| Java Full Course #53	1:20:05	2026-05-12
54	Lock-Free Concurrency in Java \| AtomicVariables & CAS Explained \| Java Full Course #54	49:07	2026-05-13
55	Lock-Free Concurrency in Java - 2 \| CAS Retry, Compare-and-Swap & ABA Problem \| Java Full Course #55	31:29	2026-05-14
56	Executor Framework Deep Dive \| ThreadPool, Future & Callable \| Java Full Course #56	1:19:14	2026-05-15
57	CompletableFuture, Fork-Join Pool, ThreadLocal & Virtual Threads \| Java Full Course #57	1:22:18	2026-05-16

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