字符型基础

package welcome;import java.util.Scanner;public class 字符的运算以及字符的转换 {public static void main(String[] args) {// TODO Auto-generated method stubScanner in = new Scanner(System.in);//字符之间的运算 以及   字符与数码的对应char c = 'A';char d = 'D';System.out.println(d-c);System.out.println((int)c);char a = '\u0041';char b = 65;System.out.println(a);System.out.println(b);System.out.println();//大小写转换char m = 'D';char n =(char)(m+'a'-'A');System.out.println(n);m = 'k';n = (char)(m+'K'-'k');System.out.println(n);System.out.println();//字母的大小比较System.out.println('A'>'B');System.out.println('a'<'汉');}}