Java Programming Tutorial for Beginners79
Introduction to Java
Java is a high-level, object-oriented programming language developed by Sun Microsystems in the mid-1990s. Java is a general-purpose language that can be used to develop a wide variety of applications, including web applications, mobile apps, desktop applications, and more. Java is known for its portability, as it can run on any platform with a Java Virtual Machine (JVM) installed.
Basic Syntax
Java uses a syntax that is similar to C++ and C#, making it easy to learn for programmers who are familiar with these languages. Here is a simple Java program that prints "Hello, world!" to the console:```java
public class HelloWorld {
public static void main(String[] args) {
("Hello, world!");
}
}
```
Data Types
Java supports various data types, including primitive data types and reference data types. Primitive data types include numbers (byte, short, int, long, float, double), characters (char), and boolean values (boolean). Reference data types include objects, arrays, and interfaces.
Variables
Variables are used to store values in Java. To declare a variable, you must specify its type and name. For example, the following code declares a variable named age of type int:```java
int age;
```
Operators
Java provides a wide range of operators, including arithmetic operators (+, -, *, /, %), comparison operators (==, !=, >, =,
2024-11-19
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