6 Books Java Developer Must Read
If you are a Java programmer and wondering what to read to improve your knowledge of Java and become a better Java developer, then you have come to the right place.…
Java LinkedHashMap Tutorial
Java LinkedHashMap is a hash table and doubly linked List based implementation of Java’s Map interface. It extends the HashMap class which is another very commonly used implementation of the Map interface The HashMap class doesn’t guarantee any…
Stack in Java
A Stack is a Last In First Out (LIFO) data structure. It supports two basic operations called push and pop. The push operation adds an element at the top of the stack, and the pop operation…
Java 8 and Stream
Java 8 and streams: A match made in heaven, but it can be a little overwhelming. In this post, we take an in-depth look at this combination with some examples.…
Java Queue Interface
A Queue is a First In First Out (FIFO) data structure. It models a queue in real-life. Yes, the one that you might have seen in front of a movie…
Introduction to Java 8 Lambda Expressions
Lambda expressions were introduced in Java 8 and they became the talk of the town as soon as they arrived. Java has evolved a lot with time. It has incorporated…
Diagrams for Understanding Java
A diagram is sometimes worth 1000 words. The following diagrams are from Java tutorials on Program Creek, they have received the most votes so far. Hopefully, they can help you review what…
What does a Java array look like in memory?
n Java, an array stores either primitive values (int, char, ...) or references (a.k.a pointers) to objects. When an object is created by using "new", memory space is allocated in…
ArrayList in Java
ArrayList is a part of collection framework and is present in java.util package. It provides us dynamic arrays in Java. Though, it may be slower than standard arrays but can be helpful…
Java 101: Interfaces in Java
Java interfaces are different from classes, and it's important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces,…