Practice Common String Operations (9.3) - String Handling - ICSE 10 Computer Applications
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Common String Operations

Practice - Common String Operations

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the length() method do?

💡 Hint: Think about counting characters.

Question 2 Easy

What will name.charAt(0) return if name = "Sarah"?

💡 Hint: This is the first character in the string.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the trim() method do?

Removes all characters
Removes leading and trailing whitespace
Turns all characters into uppercase

💡 Hint: Think about spaces around a string.

Question 2

The method name.equals("John") checks if the string name is equal to 'John'. True or False?

True
False

💡 Hint: Consider character matching.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the string str = "The quick brown fox jumps over the lazy dog", extract the substring "brown fox" using the substring() method.

💡 Hint: Count characters to find the correct indices.

Challenge 2 Hard

Create a sequence of concatenated strings resulting in a full sentence: 'I love programming.' using at least three string variables.

💡 Hint: Think about how parts combine to make a whole.

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Reference links

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