Which statement about the method writeChars(String s) is true? A) It writes a string as a single Unicode character. B) It writes multiple strings to the file in a batch operation.... Which statement about the method writeChars(String s) is true? A) It writes a string as a single Unicode character. B) It writes multiple strings to the file in a batch operation. C) It writes a single character as a one-byte value. D) It writes a string as a sequence of characters.
Understand the Problem
The question is asking us to identify the correct statement regarding the method writeChars(String s) from a programming perspective, particularly how it handles string data in file operations.
Answer
It writes a string as a sequence of characters.
The writeChars(String s) method writes a string as a sequence of characters.
Answer for screen readers
The writeChars(String s) method writes a string as a sequence of characters.
More Information
The method writeChars(String s) writes each character in the string to the output stream in order, typically using two bytes per character, hence making option D correct.
Tips
A common mistake is to assume that writeChars writes a string as a single character or uses one-byte characters, but it actually writes each character as a sequence, typically using two bytes.
Sources
- Uses of Class java.lang.String - Oracle Help Center - docs.oracle.com
- Uses of Class java.lang.String (Java SE 11 & JDK 11 ) - docs.oracle.com
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