[Java] Judgment by entering characters in the terminal

import java.io.*;
/**
 * app
 */
public class app {
  public static void main(String[] args)throws IOException
  {
    // System.in is an instance of InputStream
    //Create a string stream new InputStreamReader();

    //Buffer new BufferedReader();
    //Read line of text readLine()
    //Equals to compare()
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    String res1 = "namari";
    String res2 = "25";

    System.out.println("Please enter your name and age.");
    System.out.println("Name is?");
    String name = br.readLine();

    System.out.println("How old are you?");
    String old = br.readLine();

    if (name.equals(res1) && old.equals(res2)) {
      System.out.println("OK");
    } else {
      System.out.println("NG");
    }

  }
}

$ javac app.java
$ java app
Please enter your name and age.
Name is?
namari
How old are you?
25
OK

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