In this article, we will learn how to write a Java program to find all strings in an array that contain a given substring. This exercise is helpful for practicing string manipulation and array traversal in Java. Problem statement: We are given an array of strings and a specific substring. The task is to identify …
In this article, we will learn how to write a Java program to identify all strings in an array that start with a vowel. This is a simple yet practical exercise for working with arrays and understanding string properties in Java. Problem statement: We are given an array of strings, and the task is to …
In this article, we will learn how to write a Java program to identify and count duplicate strings in an array. This is a common problem that tests your understanding of arrays and hash-based data structures in Java. Problem Statement: We are given an array of strings, and the task is to find duplicate strings …
In this article, we will learn how to write a Java program to find the strings with the maximum length in an array. This is a useful exercise for working with arrays and understanding how to handle string properties in Java. Problem Statement: We are given an array of strings, and the task is to …
String arrays are a fundamental part of Java programming, and mastering them is essential for anyone preparing for Java interviews. In this article, we present 20 logical problems based on arrays of strings to help you build a strong foundation and tackle real-world challenges. 20 String Array Java Programs From basic string manipulations to advanced …
In this article, we will learn how to write a Java program to calculate the total number of vowels in each string in an array. This problem is a great example of practicing working with arrays and string manipulation in Java. Problem statement: We are given an array of strings, and the task is to …
Problem statement: Write a Java program to identify and print all palindrome strings in a given Array of strings. What is a Palindrome? A word is a palindrome if it reads the same forward and backward, e.g., “madam” or “racecar.” Find palindrome in string Array Java Program This program identifies and lists all palindrome words …
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Printing all negative elements in an array involves iterating through the array and checking if each element is less than 0. Negative numbers are then displayed as output. OUTPUT:Negative elements in the array:-5 -15 -25 Read Also: Print Odd/Even No. from an Array. | Sum of Two Arrays.
Removing odd numbers from an array involves iterating through the elements, identifying odd numbers, and creating a new array that excludes them. In this post, we will explore two examples of removing odd numbers from an array in Java: one using a traditional array approach and the other leveraging an ArrayList for dynamic resizing. Example-1: …
Separating even and odd elements into two arrays involves iterating through the original array, checking each element’s parity using the modulus operator (%), and adding it to the respective array. In this article, we will explore two practical approaches to separate even and odd numbers from an array into two distinct arrays using Java. This …
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