Is “new String()” immutable as well?

Question

I\'ve been studying Java String for a while. The following questions are based on the below posts

Java String is special
Immutability of String in java

Answer 1

From the Java Oracle documentation:

Strings are constant; their values cannot be changed after they are created.

And again:

String buffers support mutable strings. Because String objects are immutable they can be shared.

Generally speaking: "all primitive" (or related) object are immutable (please, accept my lack of formalism).

Related post on Stack Overflow:

• Immutability of Strings in Java
• Is Java String immutable?
• Is Java "pass-by-reference" or "pass-by-value"?
• Is a Java string really immutable?
• String is immutable. What exactly is the meaning?
• what the reason behind making string immutable in java?

About the object pool: object pool is a java optimization which is NOT related to immutable as well.