---
title: "Is default parameter values supported in java?"  
description: "Is default parameter values supported in java?"  
author: "Utpal Vishwas"  
published: 2023-07-21  
updated: 2023-07-22  
canonical: https://www.mindstick.com/forum/159230/is-default-parameter-values-supported-in-java  
category: "java"  
tags: ["java", "parameter value"]  
reading_time: 2 minutes  

---

# Is default parameter values supported in java?

Is [default parameter](https://www.mindstick.com/forum/23231/does-java-support-default-parameter-values) [values](https://www.mindstick.com/forum/327/sum-textbox-values) supported in [java](https://www.mindstick.com/articles/12214/web-development-company-in-india-laid-on-the-foundation-of-concrete-java-programming)?

## Replies

### Reply by Aryan Kumar

As of my last knowledge update in September 2021, Java does not support [default](https://www.mindstick.com/interview/12771/what-is-the-importance-of-default-resources) [parameter values](https://www.mindstick.com/forum/160054/how-to-pass-parameter-values-in-javascript-arrow-function) directly in the same way that some other programming languages do, like Python. In Java, if you want to provide default values for parameters in a method, you typically have two options:

1. **Method Overloading:** You can define multiple versions of the method with different parameter lists, where some parameters have default values. This way, when a method is called without providing all the arguments, the compiler will choose the appropriate overloaded method with the matching parameters.

```plaintext
public void someMethod(int a, int b) {
   // Method implementation with two parameters
}
public void someMethod(int a) {
   // Method implementation with a default value for the second parameter
   someMethod(a, 10); // Call the other version with a default value
}
```

2. **Using Optional:** Starting from Java 8, you can use `java.util.Optional` to simulate default parameter values. The optional allows you to specify a default value when a parameter is not provided explicitly.

```plaintext
import java.util.Optional;
public void someMethod(int a, Optional<Integer> optionalB) {
   int b = optionalB.orElse(10); // Default value of 10 if not provided
   // Method implementation with two parameters (a and b)
}
// Method call with both parameters
someMethod(5, Optional.of(7));
// Method call with only the first parameter, second parameter will take the default value
someMethod(5, Optional.empty());
```

It's important to note that my information may be outdated, and Java might have undergone changes or introduced new features beyond my last update. I recommend checking the official Java documentation or other reliable sources for the latest information on this topic.


---

Original Source: https://www.mindstick.com/forum/159230/is-default-parameter-values-supported-in-java

Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.