ArrayList in Java: An Introduction for Beginners [2022]
An array is a widespread and essential data structure in every programming language with one disadvantage – its size…
Java
17 Keytool Command Examples to Know as Sysadmin and Developer
Keytool is a command-line utility that lets you manage/store cryptographic keys and certificates. If your system has Java installed,…
22 Frequently Asked Spring Boot Interview Questions and Answers
Are you a Java Spring Boot developer looking forward to acing an upcoming interview but are not sure what…
How to Set JAVA_HOME environment variable on macOS
This tutorial will help you to set the JAVA_HOME environment variable on the latest older macOS operating systems. The…
Kotlin vs Java: Differences and Similarities
If you are working in thriving fields like Android development, you should know the differences between two of the…
Scala vs Java: Differences and Similarities
It is essential to know the similarities and differences between Scala vs. Java, whether learning a new programming language…
What are the Access Modifiers in Java
An access modifier is a special kind of variable declaration that controls how and where other code can use…
Understanding the Access Modifiers in Java
An access modifier is a special kind of variable declaration that controls how and where other code can use…
How to Get User Input in Java
In programming languages, taking the user’s input is an essential task. In Java, multiple predefined classes are used to…
How to round of Numbers in Java
Java provides a built-in class known as Math class which belongs to the java.lang package. The java.lang.Math class provides…
How to convert string to int in Java
Converting one data type to other data types is a common task in the prommer’s life. If we talk…
How to Install JAVA on Ubuntu 22.04
Java is the most popular object-oriented, robust, platform-independent programming language. A large number of applications developed on Java required…
How to Sort an Array in Java
In programming languages, sorting plays a very significant role as it reduces the complexities. In Java, the term sorting…
How to add two numbers using parameterized constructor in java
Object-oriented programming offers java constructors that are used to initialize/allocate the memory to the newly created object. In java,…
Java HashMap – How to Get Value from Key
Write a Java program to get value from the hashmap corresponding to a key. The HashMap class is available…
Java HashMap – How to Get Key from Value
Write a Java program to get keys from the hashmap using the value. The HashMap class is available under…