java 采用BufferReader方式输入数据

1 import java.io.BufferedReader;
2 import java.io.IOException;
3 import java.io.InputStreamReader;
4 public class BufferdReaderDemo1 {
5     public static void main(String[] args) {
6         BufferedReader buf=new BufferedReader(new InputStreamReader(System.in));
7         String str=null;
8         System.out.println("请输入内容:");
9         try{
10             str=buf.readLine();
11         }catch(IOException e){
12             e.printStackTrace();
13         }
14         System.out.println("输入的内容为："+str);
15     }
16 }