// app3_6,字符類型的打印 
public class app3_6
{
   public static void main(String args[])
   {
      char ch1=97;
      char ch2='a';
      char ch3='\u0061';
      
      System.out.println("ch1="+ch1);
      System.out.println("ch2="+ch2);
      System.out.println("ch3="+ch3);
   }
}