What does new String(original) do?

What does new String(original) do?

• A. Creates a new String object with the same content
• B. It returns the same object
• C. It converts to a primitive type
• D. It appends original content to itself

Answer: (A)

Creating a new String from another String makes a brand-new String object whose contents match the original. It copies the character sequence into a new instance, so you get the same text but a different object reference. This does not change the original, does not convert to a primitive type, and does not append anything. Strings are immutable, so you can’t modify the original through the new one, and you rarely need this in practice unless you specifically want a distinct String object. Note that if you pass null, this constructor will throw a NullPointerException.

Creating a new String from another String makes a brand-new String object whose contents match the original. It copies the character sequence into a new instance, so you get the same text but a different object reference. This does not change the original, does not convert to a primitive type, and does not append anything. Strings are immutable, so you can’t modify the original through the new one, and you rarely need this in practice unless you specifically want a distinct String object. Note that if you pass null, this constructor will throw a NullPointerException.