Write a program to calculate the sum of all the non prime positive numbers less than or equal to the given number. Note: prime is a natural number greater than 1 that has no positive divisors other than 1 and itself Example: input = 9 Prime numbers = 2,3,5 and 7 output = 1+4+6+8+9=28 Input
Write a java program to calculates the sum of squares in given digit. Write a program that accepts a positive number as input and calculates the sum of squares of individual digits of the given number. Input and Output Format: Input consists of an integer. Output consists of an integer. Sample Input: 321 Sample Output:
Write a program that accepts an ArrayList of integers as input and removes every 3rd element and prints the final ArrayList. Suppose the given arrayList contains 10 elements remove the 3rd, 6th and 9th elements. Input and Output Format: The first line of the input consists of an integer n, that corresponds to the number
Write a java program to find if the array has any triplets. Given an integer array, Write a program to find if the array has any triplets. A triplet is a value if it appears 3 consecutive times in the array. package com.demo; import java.util.*; public class Main { private static Scanner sc; public static
Write a java program to remove duplicate elements in the string array. Write a program to read a string array, remove duplicate elements and sort the array. Note: The check for duplicate elements must be case-sensitive. (AA and aa are NOT duplicates) While sorting, words starting with upper case letters takes precedence. The return type
Write a java program to validate string using Regular Expression. Given a string (s) apply the following rules. String should be only four characters long. 2. First character can be an alphabet or digit. 3. Second character must be uppercase ‘R’. 4. Third character must be a number between 0-9. If all the conditions are
Write a java program to count the number of vowels in the string. Write a program to read a string and count the number of vowels present in it. Include a class UserMainCode with a static method tellVowelCount which accepts the string. The return type is the integer giving out the count of vowels. Note: The check
Write a java program to count number of char in string. Write a program to read a string and return an integer based on the following rules. If the first word and the last word in the String match, then return the number of characters in the word else return sum of the characters in
java program to covert last letter of the word in uppercase in the string. Write a program to read a sentence as a string and store only the last letter of each word of the sentence in capital letters separated by $. Print the final string. The return type (string) should return the final string.
Java program to remove all 10s from the array. Write a program to read an integer array and remove all 10s from the array, shift the other elements towards left and fill the trailing empty positions by 0 so that the modified array is of the same length of the given array. The return type
