总结:字符转换
package com.b;
//流类
import java.io.*;
public class uy {
// 读取字符
public static void main(String[] args) throws IOException {
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
char c;
do {
c = (char) bf.read();// String 型
} while (c != 'p');
}
}