转换流案例

package liuer;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class Testput {

    public static void main(String[] args) throws IOException {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in) );
        System.out.println("请输入一个字节");
        String str=br.readLine();
        System.out.println(str);
        br.close();
    }

}