Java and DSA Foundation Course - 2D Arrays | Why use them, Taking 2D Arrays as Input | Lecture 20 | Java and DSA Foundation Course

Moving a step ahead in understanding arrays, let's tackle 2D arrays, also called multidimensional arrays. We will understand what they are, why one should use them, along with advantages and applications of multi-dimensional arrays. We will also practice some questions which are very important and often asked in interviews. If you are facing any trouble accessing the assignment or lesson plan, please re-login to your account on PW Skills website and try. Are you finding the classes helpful? Stay tuned for more! Access the notes and assignments for this class for free at: http://bit.ly/3AQQUOd If you are joining us late, to know more about PWSkills & plans : Watch the Orientation Video: https://www.youtube.com/watch?v=YpNFgTKVAtU Watch the Launch Video: https://www.youtube.com/watch?v=si8TKULKmLE Timestamps:- 00:00 = Overview of the class. 00:59 = Recap 02:50 = Introduction to 2D Array 08:44 = Introduction to 3D Array 13:36 = Representation of 2D Array 20:33 = Methods to initialize 2D Array 23:20 = 2D Array initialization code 29:37 = Taking 2D Array User Input 34:18 = Taking 2D Array User Input Dry Run 39:54 = Why Multidimensional Arrays 42:23 = Problem 01 : Addition of 2 Matrices 44:54 = Problem 01 : Addition of 2 Matrices Code 52:21 = Problem 02 : Multiplication of 2 Matrices 01:04:00 = Problem 02 : Multiplication of 2 Matrices Code 01:17:39 = Problem 02 : Multiplication of 2 Matrices Dry Run 01:27:45 = Summary 01:28:37 = About Next lecture 01:25:48 = Follow up Question ▶️ PW Skills Website - https://pwskills.com ▶️ PW Skills Instagram - https://www.instagram.com/pwcollegewallah ▶️ PW Skills LinkedIn Channel - https://www.linkedin.com/in/pw-skills-136050249/ ▶️ PW Skills Telegram Channel- https://t.me/SkillsPW #JAVA #2dArrays #CollegeWallah #PhysicsWallah