It's not terribly clean, but you could use indexOf() and check if it returns -1. Better than breaking out a loop.

Remember that when you create objects, the variables store references to the objects. So, when you compare objects using the equality testing operator (==), it actually compares the references and not ...

Most new Java developers quickly learn that they should generally compare Java Strings using String.equals(Object) rather than using ==. This is emphasized and reinforced to new developers repeatedly ...

HashMap can store null values, is not synchronized and can store key value pairs. HashMap works on the principle of hashing. HashMap has two methods: put(Key, Value) and get(Key) for storing and ...