Practice String Methods (6.12) - Chapter 6: Arrays and Strings in Java

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11 questions

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6 sample questions

Question 1.
What does the method length() do?
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Think about how you measure 'Hello'.
Question 2.
What does charAt(0) return for the string 'Java'?
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What character is at the start of 'Java'?
3Question 3.
What does the method length() return?
- Number of characters
- Number of words
- First character
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It's related to how many letters or spaces are in the string.
4Question 4.
Does charAt(3) for 'Hello' return 'l'?
- True
- False
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What is the index for l in Hello?
Question 5.
Create a function that takes a string input, trims it, checks its length, and returns true if the length is greater than 10.
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This function processes the string and checks its final size.
Question 6.
Write a method to concatenate two strings and return the result in uppercase.
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Focus on combining the strings before changing their cases.

7 more questions in this section. Enroll free to practise them all.