A sequence of characters “abc” in Java is an object that implements an instance of String class, meaning this string object stores only the reference of this object in memory rather than the actual value.
Definition of String class:

public final class String
extends Object
implements Serializable, Comparable<String>, CharSequence

How to create a String object?

//Declaration using string literal
String str = "abc";
String anotherStr = "abc";//This is equivalent to below declaration
//done using new Keyword.
char data[] = {'a', 'b', 'c'};
String strNew = new String(data);

What happens when a new string object is created?

When a new object is created like in above declaration, JVM (Java Virtual Machine) firstly looks in “String…