First Code School Blog

hashmap in java 0

HashMap in Java

Java HashMap class implements the Map interface which lets us store the key and value pair. In this case, the keys should be unique, any kind of duplication will result in the replacement of...

design patterns in java 0

Design Patterns in Java

Arriving at problems in various aspects of software design is inevitable. Stating every problem each time is rigorous. It becomes even more hectic if those problems are frequent. Java has come up with an...

java objects and classes 0

Java Objects And Classes

In the previous tutorial, we learned the features of Java and that it is an object-oriented language. Classes and Objects are the basic building blocks of any object-oriented language program. Hence, the entire program...

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Bubble Sort in Java

We apply sorting techniques in many aspects of real life. You might think that it is simple logic. You can even ask why a computer algorithm needs to solve it. The answer to this...

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Modifiers in Java

Java offers special keywords known as modifiers. These modifiers are of two types: Access modifier and Non-Access specific modifier. In this tutorial, we will learn about these keywords. 1. Java Access Modifiers In Java,...

final keyword in java 0

Final Keyword in Java

There are around 46 keywords in Java. Each keyword has a special purpose that fulfils the need of the programmer. The final keyword in Java also plays an indispensable role. You can apply the...

calendar in java 0

Calendar Class in Java

Date and time have become integral parts of our lives. Automating them has always been of priority. Java includes an abstract class to convert dates and time in the form of calendar fields like...

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Top 10 Libraries of Java

Java’s prominence in the industry stands still due to its vast significant features. Most of the business applications that exist today have Java as their backbone. A java library contains many modules that come...

jvm comprehensive guide 0

What is JVM in Java – A Comprehensive Guide

Have you ever noticed that programming languages like C and C++ require compilation before running? This takes place in order to convert the language to the platform-specific code. Hence, they come under the list...