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Definition and Usage. The void keyword specifies that a method should not have a return value. More Examples. Tip: If you want a method to return a value, you can use a primitive data type (such as int, char, etc.) instead of void, and use the return keyword inside the method: Example.
Void: the type modifier void states that the main method does not return any value. All parameters to a method are declared inside a prior of parenthesis. Here String args[ ] declares a parameter named args which contains an array of objects of the class type string.
- What Does Void Mean in Java?
- Example
- When to Use Void Method and Method with Return Type
In Java, void keyword is used with the method declaration to specify that this particular method is not going to return any value after completing its execution. We cant assign the return type of a void method to any variable because voidis not a data type.
Let’s see an example of voidkeyword usage. VoidExample.java Output In the above example, we have two methods voidMethod with void as return type and returningMethod with String as return type. If we try to assign the return value of voidExample to any datatype it will give us the compile-time error. when voidMethod is called, the control simply goe...
The most common use of void method in java is when we want to change the internal state of the object but do not require the updated state. For example in VoidWithReturnExample.java , the method setName and setAge are only used to change the name and agerespectively, but they don’t return anything. On the other hand, we use the method with return t...
Sep 22, 2023 · In this article, we will learn about void and non-void methods. Void Methods in Java. The void method is a method that does not return any value. It is used to perform some action or operation but does not return any data. Syntax: public void methodName(parameter1, parameter2, …) {// body of the method // do some operations here ...
In this article, we will explore the fundamentals of the 'void' keyword in Java, its definition, usage, exemplars of 'void' methods, comparison with other return types, and best practices for utilizing 'void' methods.
Using 'void' in Java methods indicates that a method doesn't return a value, making it valuable for clean and maintainable code. It allows for easy understanding and modification, improving project sustainability.
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What does void mean in Java?
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Aug 21, 2019 · In Java, the void keyword is used to indicate a method that does not return any value. For example: public void doSomething() { // do something // no return } Related keyword: return. See all keywords in Java. Other Recommended Tutorials: 9 Rules about Constructors in Java; 12 Rules and Examples About Inheritance in Java
