geeks for geeks java problem solving

Welcome to Java! Easy Max Score: 3 Success Rate: 97.05%

Java stdin and stdout i easy java (basic) max score: 5 success rate: 96.88%, java if-else easy java (basic) max score: 10 success rate: 91.33%, java stdin and stdout ii easy java (basic) max score: 10 success rate: 92.62%, java output formatting easy java (basic) max score: 10 success rate: 96.55%, java loops i easy java (basic) max score: 10 success rate: 97.67%, java loops ii easy java (basic) max score: 10 success rate: 97.32%, java datatypes easy java (basic) max score: 10 success rate: 93.65%, java end-of-file easy java (basic) max score: 10 success rate: 97.91%, java static initializer block easy java (basic) max score: 10 success rate: 96.14%, cookie support is required to access hackerrank.

Seems like cookies are disabled on this browser, please enable them to open this website

Java Online Compiler

Please enter your email address or userHandle.

Generated URL: Copy

Compile errors :, time(sec) :, memory(mb) :, runtime errors:, output: copy, keyboard shortcuts for editor.

• Full Stack Web Development
• Data Science and Artificial Intelligence
• Masterclass

Web Development

How to improve problem solving skills in java programming.

Most developers would agree that Java problem solving skills are one of the most important skills to have when it comes to programming. After all, what good is a developer who can’t solve problems? But even for the best Java developers, problem solving skills in Java programming can be a difficult task.

That’s why we’ve put together this list of 6 easy tips to improve problem solving skills in programming (Java).

What Do We Mean By Programming Problem Solving Skills?

Problem solving skills are the ability to identify and solve problems. When it comes to Java development, this means being able to find solutions to coding challenges, debugging errors, and working through difficult logic puzzles.

Java Problem Solving For Beginners (With An Example):

Let’s take a look at an example of how to use problem-solving skills in Java. Suppose you have a list of numbers, and you want to find the sum of the even numbers in that list. This is what your code might look like:

In this code, we are using a for loop to iterate through the list of numbers. We then use a conditional statement to determine if the integer passed to the conditional statement is even or not. If it is an even number, we add it to our sum variable.

Here’s how you would solve this problem without using any of the available tools in Java:

Use a for loop to iterate through each number in your list. Use modulus (%) and double-check your work to make sure that you know which numbers are even.

With a for loop, this might not look too difficult. But what happens when the problem gets more complex? What happens when you have a list of 100 or 1000 numbers instead of just 6? You would have to use nested for loops, and it could get very confusing.

Why Is Learning Problem Solving Skills In Java So Crucial?

While having adequate skills in problem-solving, Java developers can create ample amount of opportunities for themselves, like:

• They can meet the high demand for Java developers and command high salaries.
• They can ace software engineering, as problem solving is a critical skill for any software engineer.
• They can get support from the largest development communities in the world.

How To Improve Problem Solving Skills In Competitive Programming:

1. practice makes perfect with skills of problem solving.

The only way to get better at solving problems is by practicing. The more complex the situation, the more you will need to rely on your problem solving skills and ability to think outside the box. If you’re one of those developers that are always looking for a challenge, take online boot camps where companies post coding challenges and Java programmers compete against each other to find solutions as quickly as possible.

2. Use the Power of Google (or other dev tools)

There may be times when your code works perfectly fine but you still don’t know how it actually works. When you run into these times, don’t be afraid to use Google! There are times when a simple Google search is all you need to complete the task at hand.

3. Find a Friend for Code Reviews

If you have a colleague or friend who’s also passionate about Java development, find them and do code reviews together! Code reviews are an excellent learning experience for any developer. Not only will they help improve your skills of problem solving in Java, but they will also teach you new things that you might not know about the language.

4. Try Pair Programming

Pair programming is a great way to work through bugs and complex logic problems with another person. When coding in pairs, it becomes much easier to solve difficult problems since there are two brains working on it—and if one of those programmers knows how to solve the problem, the other one might just learn something new.

Read the Related Article – what is pair programming ?

5. Use Debuggers to Your Advantage

Debuggers are a developer’s best friend—they will save you time and headaches when it comes to debugging errors in code. If you don’t have any experience with Java debuggers, now would be a great time to try one out! Just knowing how to use a debugger can go a long way in helping you solve difficult problems.

6. Keep an Open Mind

When solving a problem, there will be some developers who try to use the “standard” way of doing things. For some problems, this might work perfectly fine—but when you’re trying to solve a difficult problem, sometimes it’s best not to follow convention and think outside the box!

Being able to solve problems is one of the essential web developer skills , but Java developers, in particular, need strong skills in problem-solving to succeed. If you’re looking for help with how to improve your problem solving abilities in Java, start by practicing more often and using the power of Google or other dev tools when needed. You can also find friends who are passionate about programming to do code reviews together—or if you want some hands-on experience try pair programming! Debuggers will save time and headaches as well, so make sure that you know how they work before tackling difficult problems on your own. The key is practice; give these tips a shot today and see what happens!

Ans- Skills of Problem solving in Java are the ability to identify and solve problems. This includes being able to understand the problem, come up with a solution, and then code that solution. Java developers need these skills to be successful because they often have to work on projects with tight deadlines and limited resources.

Ans- The best time to use Google is when a developer doesn’t know how to solve a problem that they’re facing. There’s almost always someone who has run into the same problem, so it’s important to know how to use Google to find other solutions.

Ans- Pair programming is a method of working on a task with another person. One developer codes while the other reviews, and together they work through the problem. It’s a great way to learn while you work, and it can be especially helpful for more difficult problems that require the knowledge of both developers.

Geekster is an online career accelerator to help engineers skill up for the best tech jobs and realize their true potential. We aim to democratize tech education without physical, geographical, or financial barriers. Our students can learn online from anywhere and get a well paying job with a leading tech company.

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Save my name, email, and website in this browser for the next time I comment.

Search code, repositories, users, issues, pull requests...

Provide feedback.

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly.

To see all available qualifiers, see our documentation .

geeksforgeeks

Here are 141 public repositories matching this topic..., twowaits / sde-interview-questions.

Most comprehensive list 📋 of tech interview questions 📘 of companies scraped from Geeksforgeeks, CareerCup and Glassdoor.

• Updated Aug 26, 2022

rampatra / Algorithms-and-Data-Structures-in-Java

Algorithms and Data Structures in Java

• Updated Nov 21, 2023

Sagar0-0 / DSA

Building the largest DSA solutions repository TOGETHER.

• Updated Jan 23, 2024

NirmalSilwal / Data-Structure-and-Algorithm-Java-interview-kit

This repo has various data structures and algorithms implementations and problems around that for preparing the coding interviews. 🚀 👨‍💻💻 🚩

• Updated Sep 27, 2022

shivam-maharshi / algorithms

This repository contains some algorithms and data structures mostly implemented for kicks and learning. Hopefully might help someone in need! Feel free to fork, copy, suggest corrections or ask questions. Happy coding :)

• Updated Feb 27, 2024

akshat-fsociety / Data-Structures-Algorithms

Data Structures & Algorithms 💥

• Updated Sep 1, 2022

sushovankarmakar / GeeksforGeeks

Java solutions to all the problems solved by myself in GeeksForGeeks website.

• Updated Feb 25, 2021

Vishal023 / Data-Structure-and-Algorithms

Java Solution for DSA

• Updated May 1, 2022

Kaviarasan-R / gfg-dsa-self-paced-course

Data structures enable us to organize and store data, whereas algorithms enable us to process that data in a meaningful sense. Totally there are 260 lecture codings and assignments are on the way.

• Updated Mar 2, 2024

darshakmehta / Programming-Guide

Competitive Programming Solutions - Majorly in Java. Timely update for space and time efficiency

• Updated Mar 5, 2023

scaffeinate / crack-the-code

🔑 Algorithmic solutions in Java for various problems from Cracking the Coding Interview, GeeksForGeeks

• Updated Aug 23, 2017

neerajjain92 / data-structures

Implementation of Algorithms and Data Structures, Problems and Solutions

• Updated Sep 8, 2021

guru-shreyansh / GeeksforGeeks-30-Days-of-Code

30 Days to Form a New Habit of Coding and I'm In! Batch [1] 26 January ’21 to 27 February ’21

• Updated Aug 15, 2021

darthninja1 / InterviewPrep

Interview preparation and random questions solved from Leetcode, Careercup, etc.

• Updated Mar 31, 2021

Nawaz2000 / Java-DSA

My DSA practise

• Updated Mar 10, 2022

kishanrajput23 / GFG-Problem-Solutions

Solutions of gfg practice problems

• Updated Dec 8, 2022

deepaksood619 / Competitive-Programming

https://www.hackerrank.com/deepaksood619 , http://practice.geeksforgeeks.org/user-profile.php?user=Deepak%20Sood

• Updated May 7, 2020

jaydip1235 / DSA

DSA solutions of various platforms

• Updated Oct 14, 2023

kalpak92 / TechInterview2020

A repository for my ongoing preparation for Software Engineering Interviews.

• Updated Apr 14, 2021

dhiralpandya / AlgorithmRecipe

Great algorithm recipes to solve problems

• Updated Jun 14, 2023

Improve this page

Add a description, image, and links to the geeksforgeeks topic page so that developers can more easily learn about it.

Curate this topic

Add this topic to your repo

To associate your repository with the geeksforgeeks topic, visit your repo's landing page and select "manage topics."

• Trending Now
• Foundational Courses
• Data Science
• Practice Problem
• Machine Learning
• System Design
• DevOps Tutorial

Welcome to the daily solving of our PROBLEM OF THE DAY with Nitin Kaplas . We will discuss the entire problem step-by-step and work towards developing an optimized solution. This will not only help you brush up on your concepts of Number Theory but also build up problem-solving skills. In this problem, we are given, an integer number n, which is a decimal representation of Gray Code. Find the binary equivalent of the Gray Code & return the decimal representation of the binary equivalent. Note: Please visit here to learn How Gray Code is generated.

Input:  n = 4 Output:  7 Explanation: Given 4, its gray code =  110. Binary equivalent of the gray code 110 is 100. Return 7 representing gray code 100. Give the problem a try before going through the video. All the best!!! Problem Link: https://www.geeksforgeeks.org/problems/gray-to-binary-equivalent-1587115620/1