关于char

public class TestChar {

 /**
  * @param args
  * @throws UnsupportedEncodingException
  */
 public static void main(String[] args) throws UnsupportedEncodingException {
  // TODO Auto-generated method stub
  char a = 1;
  char b = '变';
  char c = 34;
  String s = "变";
  byte[] bb = s.getBytes("gb2312");
  byte[] bbb = s.getBytes("utf8");
  byte[] bbbb = s.getBytes("utf16");
  
  System.out.println(a);
  System.out.println(b);
  System.out.println(c);
  System.out.println('"'==34);
  System.out.println(bb.length);
  System.out.println(bbb.length);
  System.out.println(bbbb.length);
 }

}

 

 

 

输出结果：

©

变
"
true
2
3
4