6.12 - String Methods
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Practice Questions
Test your understanding with targeted questions
What does the method length() do?
💡 Hint: Think about how you measure 'Hello'.
What does charAt(0) return for the string 'Java'?
💡 Hint: What character is at the start of 'Java'?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the method length() return?
💡 Hint: It's related to how many letters or spaces are in the string.
Does charAt(3) for 'Hello' return 'l'?
💡 Hint: What is the index for l in Hello?
3 more questions available
Challenge Problems
Push your limits with advanced challenges
Create a function that takes a string input, trims it, checks its length, and returns true if the length is greater than 10.
💡 Hint: This function processes the string and checks its final size.
Write a method to concatenate two strings and return the result in uppercase.
💡 Hint: Focus on combining the strings before changing their cases.
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