Drag and drop from the options below to read and print the content of the file a.txt, and then close it.

Question

try {
File f = new File("a.txt");
Scanner sc = new (f);
while (sc.hasNext()) {
String a = .next();
String b = sc.();
System.out.println(a + " " + b);
}
sc.();
}
catch (Exception e) {
System.out.println("Error");
}

Answer 1

Scanner
sc
next
close

Answer 2

methods missing in your code

Answer 3

Scanner
sc
next
close

Answer 4

Scanner
sc
next
close