char c2 = '我';
char c3 = '爱';
char c4 = '你';

System.out.println(c2);
System.out.println((int)c2);
System.out.println(c3);
System.out.println((int)c3);
System.out.println(c4);
System.out.println((int)c4);

我
25105
爱
29233
你
20320