Test Index

Java IO Serialization

Question : 16

Total: 17

Given:

import java.io.*;
class Directories {
  static String [] dirs = {"dir1", "dir2"};
  public static void main(String [] args) {
   for (String d : dirs) {
    /* insert code 1 here*/
    File file = new File(path, args[0]);
    /* insert code 2 here*/
   }
  }
}

and that the invocation
java Directories file2.txtis issued from a directory that has two subdirectories, "dir1" and "dir1", and that "dir1" has afile "file1.txt" and "dir2" has a file "file2.txt", and the output is "false true",
which set(s) of code fragments must be inserted? (Choose all that apply.)

String path = d; System.out.print(file.exists() + " ");
String path = d; System.out.print(file.isFile() + " ");
String path = File.separator + d; System.out.print(file.exists() + " ");
String path = File.separator + d; System.out.print(file.isFile() + " ");

Validate

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