BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter your name: ");
String name = reader.readLine();
System.out.println("Your name is: " + name);try {
File file = new File("data.txt");
BufferedReader reader = new BufferedReader(new FileReader(file));
String line;
while((line = reader.readLine()) != null) {
System.out.println(line);
}
} catch(IOException e) {
e.printStackTrace();
}import java.io.BufferedReader;
//
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
System.out.println(reader.readLine());