https://w3resource.com/java-exercises/array/index-test.php

1. Write a Java program to sort an numeric array and a string array.
2. Write a Java program to sum values of an array.
3. Write a Java program to print the following grid.
4. Write a Java program to calculate average value of an array elements.
5. Write a Java program to test if an array contains a certain value.
6. Write a Java program to find the index of an array element.
7. Write a Java program to remove a specific element from an array.
8. Write a Java program to copy an array by iterating the array.
9. Write a Java program to insert an element (specific position) into an array.
10. Write a Java program to find the maximum and minimum value of an array.
11. Write a Java program to reverse an array of integer values.
12. Write a Java program to find the duplicate values of an array of integer values.
13. Write a Java program to find the duplicate values of an array of string values.
14. Write a Java program to find the common elements between two arrays (string values).
15. Write a Java program to find the common elements between two arrays of integers.
16. Write a Java program to remove duplicate elements from an array.
17. Write a Java program to find the second largest element in an array.
18. Write a Java program to find the second smallest element in an array.
19. Write a Java program to add two matrices of same size.
20. Write a Java program to convert an array To ArrayList.
21. Write a Java program to convert an ArrayList to an array.
22. Write a Java program to find all pairs of elements in an array whose sum is equal to a specified number.
23. Write a Java program to test the equality of two arrays.