Given a sample code:

1    // place code here

2    public class Test {
3    public static void main(String[] args) throws Exception {
4    File file = new File("test.txt");
5    System.out.println(file.exists());
}}

What code should be placed at line no 1 for the successfully execution of above code?
Choose correct options?

(A) import java.io.*;
(B) import java.io.File; 
(C) import.java.util.*;
(D) import java.lang;

Answer:

(A) or (B)

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