Arrays in Java Full Tutorial 2023 | Dynamic Arrays Tutorial | ArrayList & Jagged Array | DSA @SCALER
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Want to learn the basics
Want to learn the basics of Arrays in Java and Dynamic Arrays? Prateek Narang, SWE and Instructor at SCALER, brings you a detailed tutorial on the workings of Arrays, ArrayList, Dynamic Arrays, their applications with hands on examples. Check out free masterclass from industry-leading experts: https://www.scaler.com/events?utm_sou...
What are Arrays?
Arrays are a data structure that store a collection of values of the same type. They are often used to organise and manipulate large amounts of data in computer programming, and provide a convenient way to access and modify individual elements within the array.
What are Dynamic Arrays?
Dynamic arrays are arrays that can change their size during runtime. They are implemented as a contiguous block of memory, with space allocated as needed. Dynamic arrays provide more flexibility than static arrays, but can be slower and require more memory management.
What is DSA?
DSA stands for Data Structures and Algorithms. It refers to a set of techniques and methods used to organise and manipulate data in a computer program. Data structures are a way of organising and storing data in a way that enables efficient access and modification, while algorithms are a set of instructions that perform a specific task or solve a problem.
What is data structure?
A data structure is a way of organising and storing data in a computer program so that it can be accessed and manipulated efficiently. It defines a set of rules for how data is organised, how it is accessed, and how operations can be performed on it. Examples include arrays, linked lists, and trees.
What is an algorithm?
An algorithm is a set of instructions for solving a problem or performing a task in a computer program. It defines a series of steps or procedures that must be followed in order to achieve a desired outcome. Algorithms are used in a wide range of applications, from search engines to robotics.
Types of DSA
There are many types of Data Structures and Algorithms (DSA) including arrays, linked lists, stacks, queues, trees, graphs, hash tables, and sorting and searching algorithms. Each DSA has its own strengths and weaknesses and is suitable for different types of data processing and storage needs.
Applications of DS
Data Structures have a wide range of applications in computer science, including database management, algorithm design and analysis, operating systems, artificial intelligence, machine learning, and web development. They are used to store, organise, and manipulate large amounts of data efficiently and effectively, enabling faster and more accurate processing of information.
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Topics covered:
0:00 - Introduction
0:50 - Array and it's concepts
2:25 - Creating an Array (Hands-on)
8:42 - Array Traversal Demo
10:04 - Enhanced For Loop for Arrays Demo
11:37 - Read N numbers and print them in reverse Demo
14:18 - Array of Objects Demo
25:26 - Passing Arrays to Functions Demo
31:55 - Two Dimensional Array Demo
44:49 - Two Dimensional Array of size N x M Demo
51:17 - Jagged Array Demo
56:52 - What are Dynamic Arrays?
57:34 - What is an ArrayList?
58:20 - ArrayList Implementation
1:04:43 - ArrayList Syntax
1:07:04 - ArrayList Demo
1:11:42 - Dynamic Array Demo
1:22:37 - Outro
______________________________________________________________________________
About SCALER:
A transformative tech school, creating talent with impeccable skills. Upskill and Create Impact.
Learn more about Scaler: https://bit.ly/3oTBs0I
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What are Arrays?
Arrays are a data structure that store a collection of values of the same type. They are often used to organise and manipulate large amounts of data in computer programming, and provide a convenient way to access and modify individual elements within the array.
What are Dynamic Arrays?
Dynamic arrays are arrays that can change their size during runtime. They are implemented as a contiguous block of memory, with space allocated as needed. Dynamic arrays provide more flexibility than static arrays, but can be slower and require more memory management.
What is DSA?
DSA stands for Data Structures and Algorithms. It refers to a set of techniques and methods used to organise and manipulate data in a computer program. Data structures are a way of organising and storing data in a way that enables efficient access and modification, while algorithms are a set of instructions that perform a specific task or solve a problem.
What is data structure?
A data structure is a way of organising and storing data in a computer program so that it can be accessed and manipulated efficiently. It defines a set of rules for how data is organised, how it is accessed, and how operations can be performed on it. Examples include arrays, linked lists, and trees.
What is an algorithm?
An algorithm is a set of instructions for solving a problem or performing a task in a computer program. It defines a series of steps or procedures that must be followed in order to achieve a desired outcome. Algorithms are used in a wide range of applications, from search engines to robotics.
Types of DSA
There are many types of Data Structures and Algorithms (DSA) including arrays, linked lists, stacks, queues, trees, graphs, hash tables, and sorting and searching algorithms. Each DSA has its own strengths and weaknesses and is suitable for different types of data processing and storage needs.
Applications of DS
Data Structures have a wide range of applications in computer science, including database management, algorithm design and analysis, operating systems, artificial intelligence, machine learning, and web development. They are used to store, organise, and manipulate large amounts of data efficiently and effectively, enabling faster and more accurate processing of information.
Have you taken the Hunger test yet? Take here: https://bit.ly/3oTBs0I
Topics covered:
0:00 - Introduction
0:50 - Array and it's concepts
2:25 - Creating an Array (Hands-on)
8:42 - Array Traversal Demo
10:04 - Enhanced For Loop for Arrays Demo
11:37 - Read N numbers and print them in reverse Demo
14:18 - Array of Objects Demo
25:26 - Passing Arrays to Functions Demo
31:55 - Two Dimensional Array Demo
44:49 - Two Dimensional Array of size N x M Demo
51:17 - Jagged Array Demo
56:52 - What are Dynamic Arrays?
57:34 - What is an ArrayList?
58:20 - ArrayList Implementation
1:04:43 - ArrayList Syntax
1:07:04 - ArrayList Demo
1:11:42 - Dynamic Array Demo
1:22:37 - Outro
______________________________________________________________________________
About SCALER:
A transformative tech school, creating talent with impeccable skills. Upskill and Create Impact.
Learn more about Scaler: https://bit.ly/3oTBs0I
📌 Follow us on Social and be a part of an amazing tech community📌
👉 Meet like-minded coder folks on Discord - Discord: discord
👉 Tweets you cannot afford to miss out on - Twitter: scaler_official
👉 Check out student success stories, expert opinions, and live classes on Linkedin - LinkedIn: scalerofficial
👉 Explore value-packed reels, carousels and get access to exclusive updates on Instagram - Instagram: scaler_official
📢 Be a part of our one of a kind telegram community: https://t.me/Scalercommunity
🔔 Hit that bell icon to get notified of all our new videos 🔔
If you liked this video, please don't forget to like and comment. Never miss out on our exclusive videos to help boost your coding career! Subscribe to Scaler now!
https://www.youtube.com/Scaler?sub_co...
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