java bufferedreader has next code example

Example 1: bufferedreader java

import java.io.BufferedReader;
//
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
System.out.println(reader.readLine());

Example 2: how to check if the file has remaining without reading from it java

Scanner scanner = new Scanner(new File("filename"));
while (scanner.hasNextLine()) {
   String line = scanner.nextLine();
   // process the line
}