Properties list(PrintWriter) in Java

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

Syntax:

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

This method takes one argument. This method writes 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.io.PrintWriter;
import java.util.Properties;

public class Propertieslist2 {
    public static void main(String[] args) {

        Properties properties = new Properties();

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

        PrintWriter writer = new PrintWriter(System.out);

        properties.list(writer);

        writer.flush();

    }
}

Output:

-- listing properties --

Java=Program

C++=Program

Hello=World