Please ensure that: Your code is properly formatted as code block - see the sidebar (About on mobile) for instructions You include any and all error messages in full You ask clear questions You demonstrate effort in solving your question/problem - plain posting your assignments is forbidden (and such posts will be removed) as is asking for or giving solutions. Trying to solve problems on your own is a very important skill. Also, see Learn to help yourself in the sidebar If any of the above points is not met, your post can and will be removed without further warning. Code is to be formatted as code block (old reddit: empty line before the code, each code line indented by 4 spaces, new reddit: https://i.imgur.com/EJ7tqek.png ) or linked via an external code hoster, like pastebin.com, github gist, github, bitbucket, gitlab, etc. Please, do not use triple backticks (```) as they will only render properly on new reddit, not on old reddit. Code blocks look like this: public class HelloWorld { public static void main(String[] args) { System.out.println("Hello World!"); } } You do not need to repost unless your post has been removed by a moderator. Just use the edit function of reddit to make sure your post complies with the above. If your post has remained in violation of these rules for a prolonged period of time (at least an hour), a moderator may remove it at their discretion. In this case, they will comment with an explanation on why it has been removed, and you will be required to resubmit the entire post following the proper procedures. To potential helpers Please, do not help if any of the above points are not met, rather report the post. We are trying to improve the quality of posts here. In helping people who can't be bothered to comply with the above points, you are doing the community a disservice. I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com

== will just check if the two arguments have the same memory reference while an object's equals() class method checks some internal value to determine equivalence (when you create your own classes, you may implement a custom equals() method). public static void main(String []args){ Object a = new Object(); Object b = a; Object c = new Object(); System.out.println("a == b ? "+ (a == b) ); //true System.out.println("a == c ? "+ (a == c) ); //false System.out.println("a.equals(b) ? "+ a.equals(b)); //true } Every object is a subtype of Object, so (generally) you can pass a Song where the documentation expects Object. More on reddit.com

From what I've gathered so far, they seem to do the same thing - is it true? No. They don't do the same thing. .equals() is a method, so it only applies to objects (reference types). The method compares the content of an object to another. == is an operator - a test for equality on primitive types and for identity (being the same) for objects (reference types). Generally, you should always use .equals with objects - including String values (they also are objects). The exception is if you want to test if two objects (actually their object references) are identical (have the same reference). More on reddit.com

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