Jul 15, 2009 · I really miss a simple indexOf and contains in java.util.Arrays - which would both contain straightforward loops. Yes, you can write those in 1 minute; but I still went over to …

Say I create one object and add it to my ArrayList. If I then create another object with exactly the same constructor input, will the contains() method evaluate the two objects to be the same? …

Dec 12, 2019 · How to use regex in String.contains () method in Java Asked 12 years, 8 months ago Modified 4 years, 10 months ago Viewed 414k times

Apr 5, 2013 · Is there an option to ignore case with .contains() method? I have an ArrayList of DVD object. Each DVD object has a few elements, one of them is a title. And I have a method …

As per clean code principle ! should be avoided in conditions. Ideal would be to extract !inventory.contains ( ingredient ) should be extracted to a separate method e.g. boolean …

contains () is to be preferred over valueOf () with an exception. Why? Because "exceptions are, as their name implies, to be used only for exceptional conditions; they should never be used …

Dec 24, 2012 · That method makes an assumption that the length of the matched part of the haystack will be the same number of UTF-16 code units as the length of the needle. So if …

The contains method calls (indirectly) getEntry of HashMap, where key is the Object for which you wish to know if it's in the HashSet. As you can see below, two objects can be stored in the …

Feb 20, 2013 · Is there a way to check if a string contains something while not being case sensitive? For example: (this code is invalid it's just for you to get a basic understanding of my …

Sep 18, 2008 · When using the contains method, you want to see if one string is contained in the other. This method takes the string that is "sub" and checks if it is equal to the substrings of …