问下如何用keyboard输入

问下怎么用keyboard输入
问下怎么用keyboard输入，要很简单的那种。。还有要引入什么包

[解决办法]
java.util.Scanner
java.io.BufferedReader
java.io.BufferedInputStream
[解决办法]
可以用命令行参数呀,你不妨试试
[解决办法]

Java code

    public static String readString() {        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));        String str="";        try {            str=in.readLine();        } catch (IOException e) {            e.printStackTrace();        }        return str;    }