Category: Problem Solving

Write a program to read an integer array of odd length, compare the first, middle, and the last elements in the array and return the

Write code to remove all the entries having keys multiple of 4 and return the size of the final hashmap. The return type of the output

Write a program to read a string and validate whether the given string is a valid color code based on the following rules: Must start

Write code to get two strings as input and If strings are of the same length simply append them together and return the final string.

Write code to get the sum of all the digits present in the given string. Return the sum as the output. If there is no

In this problem-solving tutorial, we will write java code to calculate the current bill. Input and Output format Input consists of 3 integers. The first

In this article, we will write a Java code to evaluate the following series. The return type of the output should be an integer. 1+3-5+7-9…+/-n.

Write Java code to sort the given array in reverse alphabetical order and return the position of the given string in the array. The return

Write Java code to return the difference between the largest and smallest elements in the array. If there is only one element in the array

Write Java code to find the power of each individual element according to its position index, add them up and return as output. The return type