Finding the most repeated substring across a collection of strings is a useful task in text analysis, data compression, and pattern recognition. In this Java program, we aim to identify the substring that occurs most frequently in all strings of a given array, helping developers practice substring generation and frequency counting. Problem Statement Write a …
Autocomplete suggestion is a common feature in modern applications that helps users predict possible matches as they type. In this Java program, we implement a simple autocomplete system that filters all strings in an array starting with a given prefix and returns them sorted in lexicographical order. Problem Statement Write a Java program to implement …
Sorting strings alphabetically is a common task in programming, often used in search engines, dictionaries, and data organization. In this article, we will explore different ways to sort an array of strings lexicographically in Java using Arrays.sort(), Collections.sort(), and custom comparators for case-insensitive and reverse order sorting. Problem Statement Given an array of strings, write …
In this article, we will solve the String Chain Formation problem, where we need to determine whether we can arrange a given array of strings in such a way that the last character of one string matches the first character of the next. This problem is commonly encountered in word puzzles, graph theory, and algorithmic …
The Java Collection Framework is an essential part of Java programming, providing powerful data structures like ArrayList, LinkedList, Stack, Queue, and PriorityQueue. Mastering collections will help you write efficient code, improve data management, and perform well in coding interviews. In this article, we cover important Java collection programs that will strengthen your understanding of lists, …
Game development in Java is a fun and engaging way to improve your problem-solving skills and logical thinking. Many beginner-friendly games can be created using Java’s basic programming concepts, such as loops, arrays, and conditional statements. These games not only enhance your coding skills but also prepare you for Java interviews, where logical challenges are …
This article covers essential Java conversion programs, ranging from number systems to temperature conversions. Conversions between different number systems and temperature units are common in Java programming and are frequently asked in technical interviews. These programs help in understanding data representation, bit manipulation, and recursion. Number System Conversion Programs in Java Temperature Conversion Programs in Java Why …
Searching is one of the most important operations in Java programming, widely used in data structures and algorithms. A good understanding of searching techniques will help you optimize performance in problem-solving and real-world applications. In this article, we cover basic to advanced searching algorithms in Java, which are frequently asked in technical interviews. Basic Searching …
Sorting is a fundamental concept in Java programming and is frequently asked in technical interviews. It helps in organizing data efficiently, making search and retrieval operations faster. In this article, we will cover basic to advanced sorting techniques in Java, including both manual implementations and built-in sorting methods. Basic Sorting Algorithms in Java Advanced Sorting …
2D arrays, also known as matrices, are an important part of Java programming and are widely used in technical interviews. They help in solving real-world problems like image processing, pathfinding algorithms, and data manipulation. In this article, we cover basic to advanced Java 2D array programs that will help you master matrix operations and boost …