The void keyword in Java indicates that a method does not return any value. It is used to define the return value type of the method. Features: 1. The void method does not use the return statement to return a value; 2. It can access and modify local variables; 3. It is suitable for auxiliary methods or handler methods that do not need to return a value.
The meaning of the keyword void in Java
In Java, the void keyword indicates that a method does not return anything value. It is mainly used to define the return value type of a method.
Usage
The void keyword is placed before the return value type of the method declaration. For example:
public void printMessage() { System.out.println("Hello World!"); }
Features
- void methods do not require a return statement to explicitly return any value.
- void methods can access and modify local variables declared in the method.
- The void keyword is useful for helper methods or handler methods that do not want to return any value.
Example
The following code example shows the use of a void method:
public class Main { public static void main(String[] args) { printMessage(); } public static void printMessage() { System.out.println("Hello from void method!"); } }
Output:
<code>Hello from void method!</code>
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