Is `new String(a)` the most efficient way to convert a char array to a String in Java?

Converting a Character Array Back to a String

Question:

How can you efficiently convert a char array to a String in Java?

Analysis:

The provided Java code converts the char array a back to a string b using new String(a). However, the question raises the possibility of a more optimized approach.

Answer:

The solution provided in the question is indeed optimal. new String(a) is the standard way to create a String from a character array in Java.

While other languages like C/C require various conversions between strings and char arrays, Java handles strings internally as special objects. Thus, separating a string into individual characters and rejoining them is not necessary in typical Java code.

Conclusion:

The provided solution remains the most efficient way to convert a char array to a string in Java. Its simplicity and performance make it the preferred method for this task.

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