Charset isRegistered() method in Java with Examples

The isRegistered() method is a built-in method of the java.nio.charset checks if a given charset is registered or not under the IANA Charset Registry. Syntax:

public final boolean isRegistered()

Parameters: The function does not accepts any parameter. Return Value: The function returns a boolean value. It returns true if it is registered, else it returns false. Below is the implementation of the above function: Program 1: Program 2:

Reference: https://docs.oracle.com/javase/9/docs/api/java/nio/charset/Charset.html#isRegistered--