Practice Example: String Operations (9.5) - String Handling - ICSE 10 Computer Applications
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Example: String Operations

Practice - Example: String Operations

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the length of the string 'Hello World'?

💡 Hint: Count the characters including the space.

Question 2 Easy

What will str.charAt(1) return for str = 'Hello'?

💡 Hint: Remember indexing starts at 0.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What method returns the number of characters in a string?

length()
size()
count()

💡 Hint: Think about the method commonly used for counting.

Question 2

Is the comparison between 'dog' and 'Dog' equal in Java?

True
False

💡 Hint: Consider how Java treats string cases.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a string str = 'Java String Handling', write a method to return the last three characters of the string.

💡 Hint: Calculate the starting index based on the length.

Challenge 2 Hard

How would you check if a string str contains the word 'Java' regardless of case sensitivity?

💡 Hint: Convert both to the same case before checking.

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Reference links

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