Question

The following is intended to return the location of the first instance of the String the user enters from the keyboard, -1 if not found.

String names [] = new String[20];
//assume array is initialized

System.out.println(“Enter a name to search for: “);
String lookingFor = scan.nextLine();

int found = -1;

for (int i = 0; i < names.length; i++) {
if ( /* Missing Code */ ) {
found = i;
break;
}
}

Which of the following could replace /* Missing Code* / so that it works as intended?

1. lookingFor.equals(names[i])
2. ! lookingFor.equals(names[i])
3. lookingFor != names[i]
4. lookingFor.equals names)
5. lookingFor [i].equals(names[i])

Answer 1

1. lookingFor.equals(Names[i])


When comparing Strings, you wanna use .equals() cause String is a 'reference type'.  (You'll use == for primitive types).