John John - 1 year ago 163
Java Question

ArrayList contains case sensitivity

I am currently using the contains method belonging to the ArrayList class for making a search. Is there a way to make this search case insensitive in java? I found that in C# it is possible to use OrdinalIgnoreCase. Is there a java equivalent, or another way to do this?

Answer Source

You can use this exactly like you'd use any other ArrayList. You can pass this List out to other code, and external code won't have to understand any string wrapper classes.

public class CustomStringList3 extends ArrayList<String> {
    public boolean contains(Object o) {
        String paramStr = (String)o;
        for (String s : this) {
            if (paramStr.equalsIgnoreCase(s)) return true;
        return false;
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