import java.io.*;

class ReadChar {
    public static void main(String args[]) {
        char c;
        int i;
        
        System.out.println("in = "+System.in);  // Systemクラスのinフィールド
        System.out.println("     "+System.in.toString());
        
        try {
            System.out.print( "Please input a character = " );
            i = System.in.read();  // read()メドッド
            c = (char) i;
            System.out.println( "Input character = "+i+": "+c );
        }
        catch (IOException e) {  // 例外：IOException
            System.out.println( "IO Error!" );
        } 

     }
}