Properties clear() in Java

clear(): This method is available in java.util.Properties class of Java.

Syntax:

void java.util.Properties.clear()

This method clears this hashtable so that it contains no keys.

Parameters: NA

Returns: NA

Exceptions: NA

Approach

Java

import java.util.Properties;

public class Propertiesclear {
    public static void main(String[] args) {

        Properties properties = new Properties();

        properties.put("Hello", "World");
        properties.put("C++", "Program");
        properties.put("Java", "Program");

        System.out.println("Before clear " + properties);
        properties.clear();
        System.out.println("After clear " + properties);
    }
}

Output:

Before clear {Java=Program, C++=Program, Hello=World}

After clear {}