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Browse CoursesA company is validating usernames for its internal employee portal Every employee enters their full name as a string like “john_123” your job is to write a program that does the following: 1. Accept a string that represents a username 2. Check if the username (i) contains only lowercase letters, digits […]
Arrays in java import java.util.*; class ASC { public static void main(String args[]) { ArrayList<String> slist=new ArrayList<String>(); slist.add(“honey”);//0 slist.add(“joes”);//1 System.out.println(slist.indexOf(“joes”)); ArrayList<String> slist2=new ArrayList<String>(); slist2.addAll(slist); System.out.println(slist); System.out.println(slist2); }}
The function accepts two positive integers ‘r’ and ‘unit’ and a positive integer array ‘arr’ of size ‘n’ as its argument,’r’ represents the number of rats present in an area,’unit’ is the amount of food each rat consumes and each ith elements of an array ‘arr’ represents the amount of food present in ‘i+1’ house […]
Here’s a simple Java program to find the maximum and minimum elements in an array public class MinMaxInArray { public static void main(String[] args) { int[] arr = {12, 5, 7, 20, 3, 15}; int max = arr[0]; int min = arr[0]; for (int num : arr) { if (num > max) max […]
//To sort an array import java.util.Arrays; class sortArray { public static void main(String args[]) { int arr[]={50,25,30,55,13}; System.out.println(“The original array is: “); for (int num : arr) { System.out.print(num + ” “); } Arrays.sort(arr); System.out.println(“\nThe sorted array is: “); for (int num : arr) { System.out.print(num + ” “); } } }
A Cashier has a currency notes of denomination 10,50 and 100. If the amount to be withdrawn is input through the keyboard in maximum hundreds, find the total number of currency notes of each denomination the cashier will have to give to the withdrawer 1275 Hundred rs note=12 50 rs note=1 10 […]
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