Practice Example: String Operations (9.5) - String Handling

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9 questions

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6 sample questions

Question 1.
What is the length of the string 'Hello World'?
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Count the characters including the space.
Question 2.
What will str.charAt(1) return for str = 'Hello'?
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Remember indexing starts at 0.
3Question 3.
What method returns the number of characters in a string?
- length()
- size()
- count()
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Think about the method commonly used for counting.
4Question 4.
Is the comparison between 'dog' and 'Dog' equal in Java?
- True
- False
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Consider how Java treats string cases.
Question 5.
Given a string str = 'Java String Handling', write a method to return the last three characters of the string.
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Calculate the starting index based on the length.
Question 6.
How would you check if a string str contains the word 'Java' regardless of case sensitivity?
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Convert both to the same case before checking.

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