Properties list(PrintStream) in Java

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

Syntax:

void java.util.Properties.list(PrintStream out)

This method takes one argument. This method prints this property list out to the specified output stream.

Parameters: One parameter is required for this method.

out: an output stream.

Throws:

ClassCastException - if any key in this property list is not a string.

Approach

Java

import java.util.Properties;

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

        Properties properties = new Properties();

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

        properties.list(System.out);

    }
}

Output:

-- listing properties --

Java=Program

C++=Program

Hello=World