Learn Java Numbers Java provides several data types to represent different kinds of numbers, including integers, floating-point numbers, and more. In this answer, I will provide an overview of the most common numeric data types in Java. Integers: Java provides four integer data types: byte, short, int, and long. All of these data types represent […]
Learn Java Data Types In Java, data types are used to define the type of data that variables can hold. The data type of a variable specifies the size & the type of values that can be stored in that variable. There are 2 types of data types in Java Programming language: primitive data types […]
Learn Java Identifiers In Java, an identifier is a name given to a variable, class, method, or another program element. Java identifiers must follow some rules: An identifier must start with a letter (a to z or A to Z), a dollar sign ($), or an underscore (_). After the initial character, identifiers can contain […]
Learn How To Declare Multiple Variables If you want to declare more than one variable or multiple variables of the same type, you can use a comma-separated list: For example, instead of writing: int x = 41; int y = 71; int z = 71; System.out.println(x + y + z); You can simply […]
Display Variables – Java Print Variables Use println( ) method is usually used to display whatever you can put inside. If you want to combine both text and a variable, use the + character, and text always comes in these ” “: Code Example: public class first { public static void main(String[] […]
Learn Java Variables Java Variables are containers that are used to store data values. In Java, there are various types of variables, as given below: String: It stores text, for example, “Hello”. String values are provided using double quotes. Int: It stores integers, all whole numbers, without decimals, such as 145 or -145. Float: It is used to […]
Learn Java Comments We use Comments to explain Java code and to make it more readable. Comments are also used to prevent execution when testing the alternative or another code. Single-Line Comments If you want to make a line comment, then use double forward slashes like this //. Any text after these two double […]
Learn Java Syntax In the previous tutorial, we created a Java file named First.java. We used the code given below to print “Hello From H4C.” First.java public class Main { public static void main(String[] args) { System.out.println(“Hello From H4C”); } } Explanation Every code you run in Java must be […]
Let’s Get Start In Part 2, we will learn how to install Java, setup for Windows, and go through Java quick start. So here we go! Learn How To Install Java If you have Java already installed on your PC, you can skip this part. Students who want to learn Java installation can continue. […]
Introduction to Java Our easy-to-understand Java tutorial helps you brush up on your skills in the language. Even if you are new to Java programming, you will easily learn the language with easy examples. Java is one of the most popular programming languages. It is used to develop desktop apps, mobile apps, web apps, games, […]