This resource offers a total of 5356 Java Programming problems for practice. It includes 1129 main exercises, each accompanied by solutions, detailed explanations, and 4 to 5 related problems.

April 17, 2025 - Practice coding: Solve problems on platforms like LeetCode, HackerRank, or CodeWars. Focus on common interview topics: Study multithreading, concurrency, and Java-specific topics like serialization and reflection. Prepare to answer behavioral questions: Be ready to discuss your past projects, ...

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January 3, 2024 - This Java exercise collection is designed to deepen your understanding of Java and refine your coding skills. The programs provide hands-on experience in solving real-world problems, reinforce key concepts, and help you master Java fundamentals, including variables, control statements, arrays, strings, methods, and object-oriented programming.

November 26, 2023 - Enhance your Java interview skills with this comprehensive guide on 5 essential coding problems. In-depth, detailed, step-by-step solutions included.

and it should return the value 5. The question marks in the cells after the 5th cell indicate that it does not · matter what numbers are in those cells when the function returns. 39. Write a function called “isOrdered” that takes one parameter representing an array of float values · and returns true if the values of the array are in ascending order, and false otherwise. For example, if the ... 40. Write an entire Java program that reads a positive integer entered by an interactive user and then prints

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In java interview, this program can be asked in a multiple ways such as write program to find max repeated words or duplicate words or the count of each duplicate words.Whatever the question, the main programming concept is the same to count the occurrence of each word in a .txt file. To solve this programmatically, we can use Map implementation in Java that does not allow any duplicate key and at the end of iteration we can find out the count.Following is the complete program.Here, we are using java 8 Lambda operator during sorting....

Sure shot way to answer these programming questions is to use the XOR trick to swap numbers, as mentioned in that blog post. 12. Create a Java program to find the middle node of the linked list in Java in one pass? Any list of programming questions is incomplete without any questions from a linked list, arrays, and string, these three forms bulk of coding questions asked on Java interviews. The trick to solving this problem is to remember that the last node of the linked list points to null and you can trade memory with speed.

How to declare and initialize two dimensional Arra... What is lazy loading in Hibernate? Lazy vs Eager l... Difference between @Secured vs @RolesAllowed vs @P... How to reverse an ArrayList in place in Java? Exam... 12 Apache HTTP Server Interview Questions Answers ... 17 Scenario Based Debugging Interview Questions fo... 10 Singleton Pattern Interview Questions in Java -... ... Top 20 Algorithms Interview Problems ...

March 29, 2018 - Using this library will empower ... to solve with a spreadsheet. By the end of this module, you will be able to: (1) Use the open-source Apache Commons CSV package in your own Java programs; (2) Access data from one or many CSV files using Java; (3) Convert strings into numbers; (4) Understand how to use “null” in Java programs (when you want to represent “nothing”); (5) Devise an algorithm (and implement in Java) to answer questions about CSV ...

1 week ago - Java is the most used language in top companies such as Uber, Airbnb, Google, Netflix, Instagram, Spotify, Amazon and many more because of its features and performance. In this article, we will provide 200+ Core Java Interview Questions tailored for both freshers and experienced professionals.

Complete your Java coding practice with our online Java practice course on CodeChef. Solve over 180 coding problems and challenges to get better at Java.

Ace your 2025 Java interviews by mastering Java 8's core features like lambdas, streams, and Optionals—essential for 80% of backend roles. Problem solved: Confusing concepts and lack of practice lead to failed interviews; this guide provides clear explanations, code examples, and questions. Key benefit: 20 ready-to-use coding questions with answers...

Explore 25 tough Java coding challenges across recursion, OOP design, algorithms, concurrency, and more. Improve your skills with task overviews and code solutions.

March 7, 2025 - For example, in a string “Better Butter”, duplicate characters and their count is t : 4, e : 3, r : 2 and B : 2. [Solution] 5) How do you check the equality of two arrays in Java? One more favorite topic of many interviewers is array. You will face many Java coding interview questions related to array.

Top 35 Java String Interview Questions with Answer...