Charset contains() in Java

contains(): This method is available in java.nio.charset.Charset class of Java.

Syntax:

boolean java.nio.charset.Charset.contains(Charset cs)

This method takes one argument of type Charset as its parameter. This method tells whether or not this charset contains the given charset. 

Note: A charset C is said to contain a charset D if, and only if, every character representable in D is also representable in C.

Parameters: One parameter is required for this method.

cs: The given charset

Returns: true if the given charset is contained in this charset.

For Example:

Charset cs = Charset.forName("UTF-8")

Charset cs2 = Charset.forName("UTF-8")

cs.contains(cs2) = > It returns true.

Approach

Java

import java.nio.charset.Charset;

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

        Charset cs = Charset.forName("UTF-8");

        Charset cs2 = Charset.forName("UTF-8");
        System.out.println(cs.contains(cs2));

    }
}

Output:

true