How to add elements to an array in java? We know that java array size is fixed, so we can’t add elements to an Array. We have to provide size of the array when we….

Sometimes we have to convert ArrayList to Array in java program. Today we will look into different java ArrayList to Array conversion options. Java ArrayList to Array ArrayList in Java is backed by Array. So….

Sometimes we need to convert Array to List in java, here we will learn two different ways to achieve this. Since List is an interface and ArrayList is the most popular implementation, it’s the same….

Today we will look into different ways for java array copy. Java provides inbuilt methods to copy the array. Whether you want a full copy or partial copy of the array, you can do it….

Today we will learn how to initialize an array in java. An array in java is a container that can hold a fixed number of values of the same type. The values can be of….

Today we will look into Two-dimensional array in java. An array is like a container that can hold a certain number of values. Two Dimensional Array in Java Let’s look at a few examples of….

Today we will learn how to create a Java array of ArrayList. We will also learn how to create an ArrayList of array elements. Java Array of ArrayList Creating array of list in java is….

Welcome to Java Socket programming example. Every server is a program that runs on a specific system and listens on a specific port. Sockets are bound to the port numbers and when we run any….

Today we will look into how to convert String to InputStream in java. Recently I wrote a post to convert InputStream to String. Java String to InputStream There are two ways that I have used….

An IP address is either a 32-bit or 128-bit unsigned number used by IP, a lower-level protocol on which protocols like UDP and TCP are built. In Java, the InetAddress class represents an Internet Protocol….