java中，怎样实现键盘输入？

BufferedReader bw = new BufferedReader(new InputStreamReader(System.in));
String str=bw.ReadLine();

我去，这个youngsunshine回答跟上老师他老师了，不采纳这个为答案真是浪费了，很不错，方法都全了

System.in.prinln();

java---由键盘输入数据,字符串-BufferedReader的用法

范例一:有键盘输入一串字符串,

import java.io.*;

public class bufferedreader{

public static void main(String args[]) throws IOException

{

String mystring;

BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));

System.out.println("input a string");

mystring=buf.readLine();

System.out.println("string="+mystring);

}

}

范例2:有键盘输入数据:

import java.io.*;

public class bufferedreader

{

public static void main(String args[]) throws IOException

{

String mystring;

int myint;

BufferedReader buf=new BufferedReader(new I