Category: Java

import java.util.Scanner; public class ReverseString { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String str = scanner.nextLine(); System.out.println(reverseString(str)); } public static String reverseString(String str){ String reverseString = new String(); for (int i = 0; i < str.length(); i++) { reverseString += str.charAt(str.length() - i - 1); } return reverseString; } }

import java.util.Scanner; public class LetterCapitalize { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String string = scanner.nextLine(); System.out.println(Capitalize(string)); } public static String Capitalize (String string){ String[] words = string.split(" "); // separate each words (using space) for (int i = 0; i < words.length; i++) { char firstChar = Character.toUpperCase(words[i].charAt(0)); // … Continue reading capitalize first letter in a string →

import java.util.Arrays; import java.util.Scanner; public class KaprekarsConstant { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int num = scanner.nextInt(); System.out.println(Kaprekar(num)); } public static int Kaprekar(int num){ if (num == 6174) { return 0; } // initialize an array with single digits of the given number int[] numArray = {num / 1000, … Continue reading kaprekar’s constant →

import java.util.Scanner; public class Anagrams { public static void main(String[] args){ Scanner scanner = new Scanner(System.in); String a = scanner.nextLine(); String b = scanner.nextLine(); a=a.toUpperCase(); b=b.toUpperCase(); int[] a1=new int[30]; int[] b1=new int[30]; for(int i=0;i<a.length();i++) { int x=(int)a.charAt(i); x=x-65; a1[x]++; } for(int i=0;i<b.length();i++) { int y=(int)b.charAt(i); y=y-65; a1[y]++; } int flag=0; for(int j=0;j<a1.length;j++) { if(a1[j]!=0) { … Continue reading aNAGRAMS →