Lecture 16: Java Array Practice Questions | Part 2 | Java Full Course | Coding With Bajrangi

Lecture 16: Java Array Practice Questions | Part 2 | Java Full Course | Coding With Bajrangi

Welcome to Lecture 16 of the Java Full Course by Coding With Bajrangi! In this session, we will solve important practice questions on Java Arrays to help you strengthen your concepts and prepare for interviews. 🧠💻

Practicing is the key to mastering Arrays, and this lecture is packed with examples that will sharpen your skills and boost your confidence. 💪

🧠 What You’ll Learn:

🔹 Solving real-world problems using Arrays
🔹 Applying loops with arrays effectively
🔹 Logic building with array-based questions
🔹 Dry run and debug approach for array problems
🔹 Interview-style array questions and tips

📝 Java Array Practice Questions Covered:

1. Find the maximum and minimum elements in an array
👉 Input: {3, 7, 1, 9, 2} | Output: Max = 9, Min = 1

2. Calculate sum and average of array elements
👉 Input: {10, 20, 30, 40} | Output: Sum = 100, Average = 25

3. Search for an element in an array and return its index
👉 Input: {1, 3, 5, 7, 9}, Search: 5 | Output: Index = 2

4. Count even and odd elements in an array
👉 Input: {1, 2, 3, 4, 5} | Output: Even = 2, Odd = 3

5. Copy all elements from one array to another
👉 Input: {1, 2, 3, 4, 5} | Output: Copied array: {1, 2, 3, 4, 5}

6. Find all negative elements in an array
👉 Input: {1, -2, 3, -4, 5} | Output: -2, -4

7. Check if a given array is a palindrome
👉 Input: {1, 2, 3, 2, 1} | Output: True

8. Check if all elements in an array are positive
👉 Input: {1, 2, 3, 4} | Output: True

9. Reverse an array
👉 Input: {1, 2, 3, 4, 5} | Output: {5, 4, 3, 2, 1}

10. Find the second largest element in an array
👉 Input: {12, 35, 1, 10, 34, 1} | Output: 34

11. Find the smallest element in an array
👉 Input: {10, 2, 3, 5, 1} | Output: 1

Arrays are not just theoretical – practicing them helps you write cleaner, faster, and more efficient Java code. Don’t miss this important lecture if you're preparing for job interviews or coding rounds! 🚀

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