Monthly Archives: October, 2026
Sum of All Elements in an Array
Title: Sum of All Elements in an ArrayAdding up the elements of an array is one of the first exercises every Java learner meets,...
Count Fibonacci Numbers in an Array
Title: Count Fibonacci Numbers in an ArrayCounting Fibonacci numbers in an array is a classic warm-up that mixes two ideas you will reuse in...
Count Perfect Squares in an Array
Title: Count Perfect Squares in an ArrayIn this guide, you'll learn how to count the number of perfect squares inside an integer array in...
Count Composite Numbers in an Array
Title: Count Composite Numbers in an ArrayIn this guide, you will learn how to count the composite numbers in an array using Java. A...
Count Prime Numbers in an Array
Title: Count Prime Numbers in an ArrayIn this guide, you will learn how to count the prime numbers in an array using Java. The...
Count Zero Elements in an Array
Title: Count Zero Elements in an ArrayIn this guide, you will learn how to count the zero elements in an array using Java. The...
Count Negative Numbers in an Array
Title: Count Negative Numbers in an ArrayIn this guide, you will learn how to count the negative numbers in an array using Java. The...
Count Positive Numbers in an Array
Title: Count Positive Numbers in an ArrayIn this guide, you will learn how to count the positive numbers in an array using Java. The...
Count Odd Numbers in an Array
Title: Count Odd Numbers in an ArrayIn this guide, you will learn how to count the odd numbers in an array using Java. The...
Count Even Numbers in an Array
Title: Count Even Numbers in an ArrayIn this guide, you will learn how to count the even numbers in an array using Java. Parity...