Practice Arrays and Strings in Java - 6 | Chapter 6: Arrays and Strings in Java | JAVA Foundation Course
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Arrays and Strings in Java

6 - Arrays and Strings in Java

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the syntax to declare an array of integers with size 10?

💡 Hint: Look for the type, name, and size in the declaration.

Question 2 Easy

What will int[] arr = {1, 2, 3}; create?

💡 Hint: Think about the number of items within the curly braces.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What method do you use to get the length of a string?

length()
size()
count()

💡 Hint: It’s an object method specific to a string.

Question 2

True or False: An array can store different types of data.

True
False

💡 Hint: Think about the definition of arrays.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Write a method that takes an array of integers and returns the maximum value. Provide a simple testing code to demonstrate how it works.

💡 Hint: You'll need a variable to keep track of the maximum value.

Challenge 2 Hard

Create a program that counts the number of vowels in a given string and prints the count.

💡 Hint: Think about how to check if a character is a vowel.

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