Java: Find the index of a String in a list

Question

I have a list:

public static  List<String> codes = new LinkedList<String>(Arrays.asList(
            "Zero",
            "One"
            )); //Etc..

I want to be able to find the number of a String's position when I type it. For instance, if I type One, I want the program to print out 1. Currently, I can only do the reverse by using codes.get();

Correction: I want the program to print out the position of the String in the list. Zero has the position 0, if I do codes.get(0); I get Zero. But how do I do the reverse?

Is there a way to smoothly do this? Thanks in advance.

Unclear, do you want the index of the String or do you want the String matching the english name of the number? — Tunaki
– Tunaki, Commented Oct 1, 2015 at 9:11

Suresh Atta · Accepted Answer · 2015-10-01 09:13:31Z

8

The reverse of codes.get() is indexOf(Object obj) method

Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.

codes.indexOf("One");

answered Oct 1, 2015 at 9:13

Suresh Atta

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1 Comment

Ainvox Over a year ago

Thank you! Exactly what I was looking for.

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