MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write only the correct answers.)
Return data type of isLetter(char) is __________.
Topic: Return type of Character methods
Previous-year question practice database
Try it
Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(b) boolean.
Explanation
The method answers a yes-or-no question, so it returns a boolean. Note the capital-letter trap: Boolean with a capital B is the WRAPPER CLASS, an object, whereas boolean in lower case is the primitive type that the method actually returns. Java has no type called bool — that belongs to C++.
In words
boolean.
More from Library Classes
What is the output of the statement Math.pow(36, 6/5);?2026The output of the statement:
System.out.println(Character.toUpperCase('b') + 2); is:2026What is the type of parameter to be given for the method parseInt()?2026Write the Java expression to find the sum of cube root of x and the absolute value of y.2026Character class methods are found in the package called:2025The output of Math.max(-7, Math.min(-5, -4)) is2025