When dealing with string processing problems in Java, a common interview question is to find the longest common prefix among an array of strings. In this article, we will discuss an efficient approach to solve this problem using Java. Problem Statement: Given an array of strings, write a Java program to find the longest common …
Filtering unwanted strings from an array based on a specific substring is a common task in Java programming. In this article, we will explore how to remove all strings that contain a given substring from an array using Java. Problem statement: Given an array of strings and a specific substring, we want to create a …
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This article explains how to find strings containing only numbers in an array efficiently using Java. When preparing for Java interviews, logical problem-solving skills play a crucial role. Problem statement: Write a Java program that identifies strings in an array that consist only of numeric characters (digits 0-9). Approach to Solve the Problem We will …
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In this article, we will learn how to write a Java program to identify strings in an array that end with a given character. This problem is useful for practicing string manipulation and array traversal in Java. Problem Description: We are given an array of strings and a specific character. The task is to identify …
In this article, we will learn how to write a Java program to generate all possible permutations of strings in an array and store them in a new array. This is a great exercise for practicing recursion and backtracking 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 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 …