How to code CMD in java | Java Hello World | how to code in java for beginners | Free Code Part 02 смотреть онлайн

How to code CMD in java | Java Hello World | how to code in java for beginners
How to code CMD in java | Java Hello World In Java, every application begins with a class name, and that class must match the filename.

Let's create our first Java file, called Main.java, which can be done in any text editor (like Notepad).

The file should contain a "Hello World" message, which is written with the following code:

Main.java

public class Main {
public static void main(String args) {

}
}

Don't worry if you don't understand the code above - we will discuss it in detail in later chapters. For now, focus on how to run the code above.

Save the code in Notepad as "Main.java". Open Command Prompt (cmd.exe), navigate to the directory where you saved your file, and type "javac Main.java":

C:\Users\Your Name : javac Main.java
This will compile your code. If there are no errors in the code, the command prompt will take you to the next line. Now, type java Main to run the file:

C:\Users\Your Name : java Main
The output should read:

Hello World

java tutorial for beginners Sinhala 2 ;First java code in Cmd And IDE 2 #codeline ; first java code
first java code set java class path ;
Run first java file ;

code : HelloJava.java

public class HelloJava {

public static void main(String[] args) {
System.out.println("Thhis is java in Youtube..!!");
}
}
Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

The language was initially called Oak after an oak tree that stood outside Gosling's office. Later the project went by the name Green and was finally renamed Java, from Java coffee, a type of coffee from Indonesia.

Why is Java called Oak?
Oak is a discontinued programming language created by James Gosling in 1989, initially for Sun Microsystems' set-top box project. The language later evolved to become Java. The name Oak was used by Gosling after an oak tree that stood outside his office.

Most often Java is used to build large enterprise class applications. Java works great within corporate environments, or if you're building a very large scale system. Although it can be used for small tasks, it's less suited for that.

Java Software | https://www.oracle.com › java
Oracle Java. Java is the #1 programming language and development platform. It reduces costs, shortens development timeframes, drives innovation.

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