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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method do you use to sort an array in Java?
💡 Hint: Think about the name of the method.
Question 2
Easy
How would you convert the integer 45 to a string?
💡 Hint: Focus on the purpose of valueOf.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the method to sort an array in Java?
- sortArray()
- Arrays.sort()
- arraySort()
💡 Hint: Look for the method name that starts with 'Arrays'.
Question 2
True or False: The String.valueOf() method can convert integers to strings.
- True
- False
💡 Hint: Consider what the method does.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that sorts an array of doubles and converts its values to strings.
💡 Hint: Remember to sort first and then convert.
Question 2
Explain how sorting an array of strings might differ from sorting an array of integers.
💡 Hint: Consider the type of data each array holds.
Challenge and get performance evaluation