Why main method is static in Java

0 votes
Why is the `main` method in Java required to be static, and what is the significance of this static keyword in the context of the `main` method?
Oct 18, 2023 in Java by Saniya
• 3,320 points
433 views

1 answer to this question.

0 votes

In Java, the `main` method is required to be `static` because it is the entry point of a Java program, and this requirement serves several important purposes:

1. Entry Point: The `main` method is the first method that gets executed when a Java program is started. It is where the program begins its execution. Because there is no instance of the class created when the program starts, the method must be `static` to be called without an object.

2. Class-Level Method: By declaring the `main` method as `static`, it becomes a class-level method, meaning it belongs to the class itself rather than any specific instance of the class. This is essential because there is no object created when the program starts. It allows you to call the method without having to create an instance of the class, which is the typical behavior when working with instance (non-static) methods.

3. Simplicity: Keeping the `main` method `static` simplifies the program's entry point. You don't need to instantiate the class before calling `main`. This makes it straightforward for the Java Virtual Machine (JVM) to locate and execute the `main` method without worrying about object creation.

4. Consistency: Having the `main` method as `static` ensures a consistent entry point for all Java applications. Regardless of the class and application, you always know where to find the `main` method.

Here's an example of a typical `main` method signature:

```java
public static void main(String[] args) {
    // Your program logic goes here
}
```

In this example, `public` is the access modifier, `static` indicates that it's a class-level method, `void` specifies that it doesn't return a value, and `String[] args` is an array of command-line arguments that can be passed to the program.

By having the `main` method as `static`, Java ensures a consistent and straightforward entry point for all its applications, making it easy for the JVM to start the program without needing an instance of the class.

answered Oct 19, 2023 by anonymous
• 3,320 points

edited Oct 19, 2023 by anonymous

Related Questions In Java

0 votes
1 answer

Why the main() method in Java is always static?

As you might know, static here is ...READ MORE

answered May 9, 2018 in Java by geek.erkami
• 2,680 points
1,955 views
0 votes
2 answers

Why it is not possible to define a static method in a Java interface?

Interfaces are concerned with polymorphism which is ...READ MORE

answered Aug 27, 2019 in Java by Sirajul
• 59,230 points
1,704 views
0 votes
1 answer

Why clone() method is protected in Java?

The clone() is protected because it is ...READ MORE

answered Nov 13, 2018 in Java by geek.erkami
• 2,680 points
4,329 views
0 votes
0 answers

public static void main(String arg[ ] ) in java is it fixed?

I was recently asked in an exam ...READ MORE

Apr 19, 2022 in Java by Rahul
• 3,380 points
619 views
0 votes
0 answers

What is "String args[]"? parameter in main method Java

I am a beginner in java and ...READ MORE

May 15, 2022 in Java by Kichu
• 19,050 points
348 views
0 votes
2 answers

What is the use of toString method in Java and how can I use it ?

Whenever you require to explore the constructor ...READ MORE

answered Aug 23, 2018 in Java by Daisy
• 8,120 points
3,896 views
0 votes
1 answer

What is the concept of Immutability for strings in Java ? Why are strings immutable ?

According to Effective Java, chapter 4, page 73, ...READ MORE

answered May 11, 2018 in Java by Rishabh
• 3,620 points
1,407 views
0 votes
1 answer

Why there is the need of getters and setters in java

In Java getters and setters are completely ...READ MORE

answered Jun 26, 2018 in Java by scarlett
• 1,290 points
1,830 views
0 votes
1 answer

Why multiple inheritance is not supported in Java?

The absence of multiple inheritance in the ...READ MORE

answered Oct 17, 2023 in Java by anonymous
• 3,320 points
401 views
0 votes
1 answer

What is dynamic method dispatch in Java?

Dynamic Method Dispatch is a fundamental concept ...READ MORE

answered Nov 29, 2023 in Java by anonymous
• 3,320 points
404 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP