Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the length() method do?
💡 Hint: Think about what 'length' means.
Question 2
Easy
How would you concatenate 'Java' and 'Programming'?
💡 Hint: What operator do you use for string addition?
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 method do you use to get the length of a string?
- charAt()
- length()
- substring()
💡 Hint: Think of measuring the size of something.
Question 2
True or False: The method equals() compares two strings for matching case-sensitively.
- True
- False
💡 Hint: Consider if uppercase and lowercase letters are treated the same.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a method that takes a string and returns true if the first and last characters are the same, otherwise false.
💡 Hint: What method can you use to access specific characters in a string?
Question 2
Write a function that takes two strings and returns a new string that is the first string concatenated with the second string reversed.
💡 Hint: Consider how you can manipulate the second string before concatenation.
Challenge and get performance evaluation