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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
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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 find the length of a string?
💡 Hint: Think of counting characters.
Question 2
Easy
How can you remove spaces from the ends of a string?
💡 Hint: It helps clean up the string!
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 does the length() method return?
- Number of letters only
- Total number of characters
- Only space count
💡 Hint: It measures the whole string!
Question 2
True or False: The trim() method affects spaces inside the string.
- True
- False
💡 Hint: Focus on START and END spaces!
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program that takes input from the user and displays the trimmed and uppercased version of that string.
💡 Hint: Consider combining the methods in sequence.
Question 2
Given a string `sentence = "Learning Java is fun!"
💡 Hint: Make sure to analyze the string properly and consider user inputs for integrity.
Challenge and get performance evaluation