HashMap in Java || HashMap Properties Explanation || Collection Framework by Deepak

درس‌ها187 درس

• ✓1Data Types in Java by Deepak (Hindi)
• ✓2Variables in Java by Deepak (Hindi) - Part 1
• ✓3Variables in Java by Deepak (Hindi) - Part 2
• ✓4Operators, Literals & Keywords in Java by Deepak (Hindi)
• ✓5Identifiers in Java by Deepak (Hindi)
• ✓6Java Introduction (Part 1) What Is Java || History Of Java (Hindi)
• ✓7Java Introduction (Part 2) Features of Java || Use Of Java (Hindi)
• ✓8Java Softwares and Installation by Deepak (Hindi)
• ✓9JDK, JRE and JVM by Deepak (Hindi)
• ✓10Explanation of Java Hello World Program by Deepak (Part 1 - Hindi)
• ✓11Explanation of Java Hello World Program by Deepak (Part 2- Hindi)
• ✓12Compile and Run Java Program in CMD by Deepak (Part 1 - Hindi)
• ✓13Compile and Run Java Program in CMD by Deepak (Part 2 - Hindi)
• ✓14How Java Works by Deepak (Hindi)
• ✓15JVM Architecture in Java (Hindi) by Deepak (Part 1)
• ✓16JVM Architecture in Java (Hindi) by Deepak (Part 2)
• ✓17Compile & Run Java Program by bat File (Hindi) by Deepak
• ✓18Control Statements in Java by Deepak - Part 1(Hindi)
• ✓19Control Statements in Java by Deepak - Part 2 (Hindi)
• ✓20Program to find Greater between Two or Three Numbers in Java by Deepak
• ✓21Program to Check for Even or Odd Number in Java by Deepak
• ✓22Program to Check for Leap Year in Java by Deepak
• ✓23Program to Swap Two Numbers With and Without Using Third Variable in Java by Deepak
• ✓24Getting User Input in Java (using Scanner class) by Deepak
• ✓25Program to Create Calculator using switch case in Java by Deepak
• ✓26Program to Print Multiplication Table in Java by Deepak
• ✓27Program to Find the Factorial of the Number in Java by Deepak
• ✓28Program to Find the Factorial of the Number using Recursion in Java by Deepak
• ✓29Program to Reverse a Number in Java by Deepak
• ✓30Program to Reverse A String in Java by Deepak
• ✓31Program to Check Whether A Number is Prime or Not in Java by Deepak
• ✓32Program to Print All Prime Numbers between 1 to 100 in Java by Deepak
• ✓33Program to Print Fibonacci Series in Java by Deepak
• ✓34Program to Print Fibonacci Series Using Recursion in Java by Deepak
• ✓35Program To Check for Palindrome Number in Java by Deepak
• ✓36Program To Check for Armstrong Number in Java by Deepak
• ✓37Star Pattern - 1 Program (Logic) in Java by Deepak
• ✓38Star Pattern - 2 Program (Logic) in Java by Deepak
• ✓39Star Pattern - 3 Program (Logic) in Java by Deepak
• ✓40Star Pattern - 4 Program (Logic) in Java by Deepak
• ✓41Star Pattern - 5 Program (Logic) in Java by Deepak
• ✓42Star Pattern - 6 Program (Logic) in Java by Deepak
• ✓43Star Pattern - 7 Program (Logic) in Java by Deepak
• ✓44Star Pattern - 8 Program (Logic) in Java by Deepak
• ✓45Star Pattern - 9 Program (Logic) in Java by Deepak
• ✓46Star Pattern - 10 Program (Logic) in Java by Deepak
• ✓47Star Pattern - 11 Program (Logic) in Java by Deepak
• ✓48Star Pattern - 12 Program (Logic) in Java by Deepak
• ✓49Number Pattern - 1 Program (Logic) in Java by Deepak
• ✓50Number Pattern - 2 Program (Logic) in Java by Deepak
• ✓51Number Pattern - 3 Program (Logic) in Java by Deepak
• ✓52Number Pattern - 4 Program (Logic) in Java by Deepak
• ✓53Number Pattern - 5 Program (Logic) in Java by Deepak
• ✓54Number Pattern - 6 Program (Logic) in Java by Deepak
• ✓55Number Pattern - 7 Program (Logic) in Java by Deepak
• ✓56Arrays in Java (Hindi) by Deepak
• ✓57Arrays In Java - Single Dimensional (One Dimensional) Array by Deepak
• ✓58Arrays In Java - 2D Arrays (Multidimensional Arrays) by Deepak (Part 1) || Arrays for Beginners
• ✓59Arrays In Java - 2D Arrays (Multidimensional Arrays) by Deepak (Part 2) || Arrays for Beginners
• ✓60Arrays In Java - 3D Arrays (Multidimensional Arrays) by Deepak
• ✓61Arrays In Java - Anonymous Arrays by Deepak
• ✓62Printing The Elements of Arrays By 4 Different Ways in Java by Deepak
• ✓63Bubble Sort Algorithm With Java Program by Deepak
• ✓64Selection Sort Algorithm With Java Program by Deepak
• ✓65Insertion Sort Algorithm With Java Program by Deepak
• ✓66Merge Sort Algorithm With Java Program by Deepak
• ✓67Quick Sort Algorithm With Java Program by Deepak (Hindi)
• ✓68Heap Sort Algorithm With Java Program by Deepak (Hindi)
• ✓69String Sorting in Java by Deepak (Hindi)
• ✓70Linear Search in Java by Deepak (Hindi)
• ✓71Binary Search in Java by Deepak (Hindi)
• ✓72Find Maximum and Minimum values in an Array in Java (Hindi)
• ✓73Find Second Largest Number in an Array in Java (Hindi)
• ✓74Find kth Largest and Smallest Element in Array Java (Hindi)
• ✓75Find Duplicate Elements in an Array in Java (Hindi) || Using 3 Different Ways
• ✓76Find First Duplicate Element in an Array in Java (Hindi)
• ✓77Find The Element That Appears Once In An Array Where Every Other Element Appears Twice in Java
• ✓78Print the Number of Odd and Even Numbers | Sum & Count of Even or Odd Numbers in an Array in Java
• ✓79Find Missing Number In Array In Java (Hindi)
• ✓80How to find common elements from two arrays in Java (Hindi)
• ✓81How to Find Common Elements in Three Sorted Arrays in Java (Hindi)
• ✓82Longest Consecutive Sequence In An Array in Java (Hindi)
• ✓83Maximum Sum SubArray (Kadane's Algorithm) Largest Sum Contiguous SubArray (Hindi)
• ✓84Insert An Element Into An Array In Java (Data Structure) Hindi
• ✓85How to Delete An Element From An Array In Java (Hindi)
• ✓86Remove Duplicate Elements from Sorted and Unsorted Array in Java (Hindi)
• ✓87Merge Two Arrays in Java By Deepak (Hindi)
• ✓88Java OOPs Concepts - Classes, Objects and Methods in Java (Hindi)
• ✓89Constructors in Java | Use of Constructors | Types of Constructors (with example) Hindi
• ✓90Inheritance In Java | Types Of Inheritance by Deepak (Hindi)
• ✓91Inheritance (IS-A), Association (HAS-A), Aggregation & Composition - Relationship in Classes Java
• ✓92Polymorphism In Java (Part 1) || Method Overloading in Java
• ✓93Polymorphism In Java (Part 2) || Method Overriding In Java
• ✓94Abstraction in Java || what is abstract class and abstract methods in Java (Hindi)
• ✓95Interface in Java with Example || Multiple Inheritance in Java using Interface (Hindi)
• ✓96Encapsulation in java | Data Hiding in Java | OOPs concepts in Java in Hindi
• ✓97this keyword in Java Hindi
• ✓986 Uses of this keyword | this keyword in java Hindi
• ✓99super keyword in java Hindi
• ✓100use of super keyword in Java Hindi
• ✓101final Keyword in Java with Examples Hindi
• ✓102Static Variables in Java (Hindi) || Static Keyword in Java
• ✓103Static Methods in Java (Hindi) || Static Keyword in Java
• ✓104static block in java | static keyword (Hindi)
• ✓105Exception Handling in Java by Deepak (Hindi)
• ✓106Difference between Exception and Error in Java | Exception hierarchy in java
• ✓107Difference between Checked and Unchecked Exception | Exception Handling in Java by Deepak
• ✓108try catch Java | Control Flow in try catch | Exception Handling in Java by Deepak (Hindi)
• ✓109Methods to Print Exception Information in Java | Exception Handling in Java
• ✓110Finally Block in Java with Complete Example | Use of finally Block | Exception Handling in Java
• ✓111Difference Between final finally and finalize in Java (Hindi)
• ✓112Various Possible Combinations of try catch finally in Hindi
• ✓113throw Keyword in Java Exception Handling with Example in Hindi
• ✓114Throws Keyword in Java Exception Handling with Example in Hindi
• ✓115Difference Between throw and throws in Java || Exception Handling in Java
• ✓116Customized Exception or User Defined Exception in Java || Exception Handling in Java (Hindi)
• ✓117Strings Introduction in Java by Deepak (Hindi)
• ✓118String Constant Pool in Java || String Object Creation in Java
• ✓119What is String Immutable || Why String Object Is Immutable In Java (Hindi)
• ✓120Why String is final in Java || Important Features of String Class (Hindi) (immutable and final)
• ✓121Difference Between "== Operator" And "equals() Method" In Java (Hindi)
• ✓122String Class Constructors in Java || Why char Array is Better to Store Password Than String (Hindi)
• ✓123String Class Methods (length(), isEmpty() & trim()) In Java || Check String is Empty Or Not
• ✓124Comparing Two Strings Using equals(), equalsIgnoreCase() & compareTo() compareToIgnoreCase() Methods
• ✓125String class Methods in Java || String Concatenation in Java || substring() method in Java (Hindi)
• ✓126Replacing & Removing Characters in Strings (Hindi) || String Class Methods In Java by Deepak
• ✓127Searching Characters in Strings Hindi || String Methods In Java by Deepak
• ✓128Case Conversion and Type Conversion Methods in Strings Hindi || String Methods In Java by Deepak
• ✓129StringBuffer Class & Methods in Java with Example
• ✓130StringBuilder Class & Methods in Java with Example
• ✓131Difference Between String StringBuffer and StringBuilder in Java by Deepak
• ✓132Program to Reverse a String || Program to Check String is Palindrome or not in Java by Deepak
• ✓133Program to find Maximum Occurring Character in String in Java by Deepak
• ✓134Difference between Multitasking, Multiprocessing and Multithreading in Hindi by Deepak
• ✓135Difference between Process and Thread in Java by Deepak Panwar (Hindi)
• ✓136Thread Life Cycle in java; How to Create Thread in Java by Extending Thread Class by Deepak in Hindi
• ✓137How to Create Thread using Thread class and Runnable interface in java by Deepak
• ✓138Multithreading in Java || Different cases of Executing Threads in Java by Deepak (Hindi)
• ✓139Thread class Methods & Constructors || Multithreading in Java by Deepak (Hindi)
• ✓140Methods of Thread class (Part 1) | Thread Naming (getName() setName()) | currentThread() & isAlive()
• ✓141Daemon Thread in Java || Java Multithreading Interview Questions by Deepak
• ✓142Thread Priorities in Java - Multithreading || Thread class Methods by Deepak
• ✓143sleep() Method in Java Multithreading by Deepak (Part 1) || Thread class methods
• ✓144sleep() Method in Java Multithreading || Calling run() Method instead of start() method directly
• ✓145yield() method in Java Multithreading by Deepak || Thread class method (Hindi)
• ✓146join() Method in Java Multithreading by Deepak || Thread class methods
• ✓147Difference between sleep(), yield() and join() method in Multithreading by Deepak
• ✓148thread interrupt in java multithreading by Deepak || Thread class methods
• ✓149interrupted() and isInterrupted() methods of Thread class Multithreading || Thread Interruption
• ✓150Synchronization in Java Multithreading by Deepak (Part 1) Hindi
• ✓151Synchronized method in Java Multithreading || Synchronization in Java by Deepak (Part 2) Hindi
• ✓152Synchronized Block || Multithreading in Java by Deepak (Hindi)
• ✓153Static Synchronization in Java Multithreading by Deepak
• ✓154Multithreading InterThread Communication | wait(), notify() and notifyAll() Method by Deepak
• ✓155Data Structure | Collections Framework in Java by Deepak
• ✓156Collections - Difference between Arrays and Collections in Java by Deepak
• ✓157Collections Framework in Java by Deepak | Collection & Map Hierarchy
• ✓158Collection Interface in Java | Collection Interface Methods by Deepak
• ✓159Difference between Set and List in Java Collections by Deepak
• ✓160Iterator and ListIterator in java Collection by deepak
• ✓161Enumeration in Java Collection by Deepak || Cursors in Collections
• ✓162ArrayList in Java by Deepak || Collection Framework in Java
• ✓163ArrayList Constructors & Methods; ArrayList properties practical explanation in Java by Deepak
• ✓164LinkedList in Java Collection by Deepak || Advantages and disadvantages of LinkedList
• ✓165LinkedList Methods & Constructors in Java || LinkedList Properties in Collections by Deepak
• ✓166ArrayList vs LinkedList in Java - Which Should You Use ?
• ✓167Legacy Classes in Java || Vector Class in Java Collection
• ✓168ArrayList vs Vector in Java || Collection Framework
• ✓169Stack Properties & Methods in Java Collections | Stack Data Structure by Deepak
• ✓170HashSet in Java || Collection Framework by Deepak
• ✓171HashSet in Java - Practical || Collection Framework by Deepak
• ✓172TreeSet in Java | Working of TreeSet | Collection Framework Data Structure by Deepak
• ✓173TreeSet Methods in Java | TreeSet Properties Explanation | Collection framework Data Structure
• ✓174Map in Java || Map Interface Methods || Java Collection Framework
• ✓175HashMap in Java || HashMap Properties Explanation || Collection Framework by Deepak
• ✓176HashMap Methods in Java | HashMap Properties Practical Explanation | Map.Entry Interface
• ✓177TreeMap in Java - Introduction and Properties || Collections Framework by Deepak
• ✓178TreeMap in Java Methods Practical || Java Collections Framework by Deepak
• ✓179Hashtable in Java || Working of Hashtable || Collections Framework in Java
• ✓180Difference between Core Java and Advance Java | Advance Java Syllabus by Deepak
• ✓181Java 25 (LTS) Features Explained | 🔥 Top 5 Updates You Should Know
• ✓182🚀 Core Java Live Classes & Industrial Training 2026 || Job-Oriented Course
• ✓183Core Java Mock Interview for Freshers | Top Questions & Answers (Part 1)
• ✓184🚀 Top 10 Core Java Interview Questions & Answers (2026) | Crack TCS, Infosys, Accenture & More
• ✓185🔥 Top 10 Java OOP Interview Questions & Answers | TCS, Accenture, Cognizant, Infosys, Wipro
• ✓186🥇 Top 10 Java Exception Handling Interview Questions & Answers | TCS, Infosys, Amazon, Accenture
• ✓187Free Java + DSA + Git & GitHub Notes 📚 | Live DSA Batch Details

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