Have you ever wondered how Java's String methods, keywords, ... If a new object was created in the memory heap everytime we used a String, we would waste a lot of memory.

If you’re still not sure how this works, consider the following diagram: Rafael Del Nero Passing primitive types in Java. Like object types, primitive types are also passed by value.

Java string object example. In Java, a string is an object that represents a number of character values. Each letter in the string is a separate character value that makes up the Java string object.

Strings as immutable in Java. Java simplifies string manipulation operations by copying original string every time. However, it consumes memory. Especially, concatenate and split operations. We want ...