Java Development
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Java streams api – Convert list to map
Hello. In this tutorial, we will understand how to convert a list to a map, using the java streams api…
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Longest Substring Without Repeating Characters
Hello. In this tutorial, we will implement an important data structure question known as finding the longest substring without repeating…
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Java List add() and addAll() Methods
1. Introduction In every programming language, data structures are very important and it needs to pay more attention to what…
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Arrays.aslist in Java
Hello. In this tutorial, we will make understand and implement java.util.Arrays.asList(…) method. 1. Introduction Arrays.asList() method in java is used…
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Memory Leak in Java
Hello. In this tutorial let us learn about memory management and memory leaks in a java programming language. 1. Introduction…
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The DTO (Data Transfer Object)
1. Introduction to DTO Having a big application that has multiple layers you will need to “transport” that data between…
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Bucket Sort Algorithm
1. Introduction In this article, we will look specifically at the Bucket Sort Algorithm, which is a type of Sorting…
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Constraints in SQL
Hello. In this tutorial, we will learn different constraints in SQL and will use the postgresql database running on Docker.…
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Where, Group by, Having, and Order by clause in SQL
Hello. In this tutorial, we will learn WHERE, GROUP BY, HAVING, and ORDER BY clauses in SQL and will use…
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Bit Masking in Java
1. Introduction Bit masking is visualizing a number or other data in binary representation. Some bits are set and others are unset where set means true or 1 and unset means false or 0. It…
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