6 Java Code Challenges for Beginners
Computer science and IT students need to learn Java as a part of the academic program. But many students like you find it challenging to understand concepts like classes and objects, polymorphism, encapsulation and many more. These concepts hinder you from completing assignments on time. It's better to seek help with coding assignment services in such cases. These services have programming expert writers who will complete your Java assignments before deadlines.
Coding Challenges In Java
1. String Reversal
Here, you need to write a code that will reverse a word. You can write the string with or without a space. Let's discuss this with an example. Suppose you have given input as Hello. The output should come from Olleh.
If you are writing a sentence, then write a code that will reverse each word separately. For example, if you have written code as welcome to coding, then the output should come as " gnidoc or emoclew
Start by using all the characters of the same case. You can then practice using symbols, punctuation marks, characters, or different sentence cases.
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2. Check Palindrome
A palindrome is a string or word that is the same when you read it from both forward and backward. For example, if the word is a palindrome, then you will get an output that says yes, it is a palindrome. If it is not a palindrome, then you will get an output that it is not a palindrome.
Let's discuss this with an example. If you provide a string as level, then it's the same for both sides. So the output will come. Yes, it's a palindrome.
Java provides error messages if you cannot run the code correctly.
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3. Find The First Unique Character
You need to write a code that finds the non-repeating character or a unique character in the string.
Let's discuss this with an example. If you have given input as programming, then p is the first unique character here. So, the output in this case will be 0.
If you enter a string bbcc, then there is no unique character. So, the output will be -1.
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4. Count Vowels And Consonants
You have to write a code that counts vowels and consonants in a string. The code should first read the string and then convert it into lowercase, and then it will check every character and determine whether it is a vowel or a consonant. Let's discuss this with an example.
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You have an input string as codingzap. Here, you will get output as vowels :3 and consonants: 6.
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5. Largest And Smallest Element In the Array
You have to write a code that determines the smallest and largest numbers in the array. Here, the code first checks the first number in the array and sets it as both the largest and the smallest. It then checks each number one by one in the array. Writing this type of code will help you understand arrays and loop concepts.
Let's discuss this with an example. An array is [23,12,3,33,64,7]. Here, the most significant number is 64, and the smallest number is 3.
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6. Armstrong Numbers
An Armstrong number is a number whose sum of cubes will result in the smae number. Now, let's discuss this example. Suppose the number is 153, then 13+ 53+33 =153
You need to generate a code using loops and variables. The concepts need to be clear when writing this code. If you have any difficulties, do not hesitate to seek help from coding homework help services.
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Final Words
Writing code with syntax rules, running it and debugging errors in Java can be challenging for many students like you. It's best if you seek help with coding assignment services in such cases. Here, the writers provide customised solutions, which means they will write all your Java assignments according to your requirements.