从控制台读入输入

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

String saids = br.readLine();

 

从文件中读入数据

HashMap<String, String> trans_map = new HashMap<String, String>();

String trans_path = "d://trans_map.txt";

FileReader fr = new FileReader(trans_path);

BufferedReader br = new BufferedReader(fr);

String line = br.readLine();

while (line != null) {

String[] words = line.split(" ");

trans_table.put(words[0], words[1]);

line = br.readLine();

}