Please also note that the OCA can take a surprisingly long time to get approved. Mine was several weeks, and I know others took longer.
On Sun, Apr 5, 2026 at 5:06 PM Markus KARG <[email protected]> wrote: > Hello Arnav, > > thank you for sharing your proposal. It looks rather straightforward and > indeed filling a "simply missing" gap! > > I wonder what would be the actual benefit (other than just being > shorter) over using Arrays.asList(T[]).contains(T) simply? Is there a > specific need to go with raw arrays instead? Applications typically do > not use arrays but instead go with the Collections Framework, so I > wonder what you driver is. > > What help can I give with the OCA process other than pointing you to > https://oca.opensource.oracle.com/ and kindly noting that in some > countries it might need your parent's agreement to sign legal documents? > > Regards > > -Markus > > > Am 05.04.2026 um 16:58 schrieb Arnav Somaghatta: > > Hello, > > My name is Arnav, and I am a 14-year-old developer who is interested in > contributing to the OpenJDK. I would like to propose adding a set of > "contains" methods to the java.util.Arrays class. > > Currently, to check if a primitive array (like char or int) contains a > specific value needs a large manual for loop, converting to a List, or > using a very complicated Stream pipeline. > > My idea proposes adding a series of static "contains" methods for all 8 > primitive types to java.util.Arrays > > public static boolean contains(char[] a, char key) > > public static boolean contains(int[] a, int key) > > public static boolean contains(byte[] a, byte key) > > public static boolean contains(short[] a, short key) > > public static boolean contains(long[] a, long key) > > public static boolean contains(float[] a, float key) > > public static boolean contains(double[] a, double key) > > public static boolean contains(boolean[] a, boolean key) > > > > Why should you consider this proposal? > > Arrays.contains(myChars, 'a') is much more readable than workarounds > like a for loop. > > For newer Java learners, not having a "contains" method on arrays is > very confusing when you compare it to other languages like Python. > > > > If this proposal is viewed favorably, I am willing to make all of the 8 > primitive overloads and any of the corresponding unit tests. I am also > looking for a sponsor to help me navigate the OCA process for minors and > guide me through the technical process of pushing these changes. > > I look forward to your feedback on whether this is a direction the Core > Libs group would support. Thank you so much for considering my idea and > reading through this email, your support means a lot to me! > > Thank you, > > Arnav >
