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Java
Robust and object-oriented programming language, platform-independent, and widely used for building enterprise-level applications, web services, and Android apps with a vast ecosystem.
Created on Nov 9, 2022
7 Posts
6 Followers

Iterating Through a HashMap

In Java, iterating through a HashMap allows you to access and process each key-value pair present in the map. Iterating is a common operation when wor...
Iterating Through a HashMap

Avoiding Null Checks

Null checks in Java can lead to messy and error-prone code. Fortunately, there are techniques and best practices you can follow to minimize null check...
Avoiding Null Checks

Initialization of an ArrayList in One Line

In Java, you can initialize an ArrayList in a concise one-liner using a feature known as "Double Brace Initialization" or by using the "...
Initialization of an ArrayList in One Line

Generating Random Integers Within a Specific Range

In Java, you can easily generate random integers within a specific range using the java.util.Random class. Creating a Random Object To generate random...

Creating ArrayList from Array

In Java, you can easily convert an array into an ArrayList to take advantage of the dynamic resizing and additional methods provided by ArrayList. Usi...
Creating ArrayList from Array

Converting a String to an int

In Java, you may need to convert a String to an int when dealing with user inputs, configuration settings, or any other scenario where numeric values...

Efficiently Iterating Over Each Entry in a Java Map

In Java, iterating over the entries of a map is a common task. While there are multiple ways to achieve this, some approaches are more efficient than...
Efficiently Iterating Over Each Entry in a Java Map