Arraylist | HashMap | JDBC #java #begginers смотреть онлайн

In this video, we'll dive deep into some of the most important topics in Java programming: ArrayLists, HashMaps, and JDBC.
We'll start by exploring ArrayLists, a dynamic array data structure that allows us to store and manipulate collections of objects.
We'll learn how to add, remove, and search for elements in an ArrayList, and how to use advanced features such as iterators and streams.

Next, we'll move on to HashMaps, a key-value data structure that enables efficient lookups and mappings between objects. We'll see how to create and manipulate HashMaps, how to iterate over their keys and values, and how to handle collisions and resizing.

Finally, we'll delve into JDBC, the Java Database Connectivity API that enables us to connect to and interact with relational databases from Java programs. We'll cover the basics of JDBC, including establishing connections, executing queries and updates, and handling transactions. We'll also explore advanced topics such as connection pooling, prepared statements, and batch updates.

Throughout the video, we'll provide plenty of hands-on examples and demonstrations, using real-world scenarios to illustrate how to apply these concepts in practice. By the end of this video, you'll have a solid understanding of these key Java topics and be well on your way to mastering Java programming.

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