Java Stack - clear() Method
The java.util.Stack.clear() method is used to clear all elements of the stack. This method makes the stack empty with a size of zero.
Syntax
public void clear()
Parameters
No parameter is required.
Return Value
void type.
Exception
NA
Example:
In the example below, the java.util.Stack.clear() method is used to clear all elements of the stack called MyStack.
import java.util.*;
public class MyClass {
public static void main(String[] args) {
//creating a stack
Stack<String> MyStack = new Stack<String>();
//populating stack
MyStack.push("Alpha");
MyStack.push("Coding");
MyStack.push("Skills");
//printing stack
System.out.println("Before applying clear() method.");
System.out.println("MyStack contains: " + MyStack);
MyStack.clear();
//printing stack
System.out.println("\nAfter applying clear() method.");
System.out.println("MyStack contains: " + MyStack);
}
}
The output of the above code will be:
Before applying clear() method. MyStack contains: [Alpha, Coding, Skills] After applying clear() method. MyStack contains: []
❮ Java.util - Stack
