docs.oracle.com/en/java/javase/15/docs/api/java.base/java/lang/Character.html#getNumericValue(int) Character (Java SE 15 & JDK 15) All Implemented Interfaces: Serializable, Comparable , Constable public final class Character extends Object implements Serializable, Comparable , Constable The Character class wraps a value of the primitive type char in an object. An object of class Chara docs.oracl..