Java.lang.Character.charValue() 方法 Java.lang.Character.charCount() 方法 Java.lang.Character.codePointAt() 方法 Java.lang.Character.charValue() 方法 package com.codingdict; import java.lang.*; public class CharacterDemo { public static void main(String[] args) { // create a Character object c Character c; // assign value to c c = new Character('a'); // create a char primitive ch char ch; // assign primitive value of c to ch ch = c.charValue(); String str = "Primitive char value is " + ch; // print ch value System.out.println( str ); } } Java.lang.Character.charCount() 方法 Java.lang.Character.codePointAt() 方法