DataStructure-Java/String/IsogramSt.java at master · joharbatta/DataStructure-Java · GitHub

37 lines (29 loc) · 773 Bytes

import java.util.*;

// Given a string S of lowercase aplhabets, check if it is isogram or not.

// An Isogram is a string in which no letter occurs more than once.

public class IsogramSt {

public static void main(String args[]) {

Scanner s = new Scanner(System.in);

String str = s.nextLine();

isIso(str);

}

static void isIso(String str)

{

str = str.toLowerCase();

int len = str.length();

char arr[] = str.toCharArray();

Arrays.sort(arr);

for (int i = 0; i < len - 1; i++)

{

if (arr[i] == arr[i + 1])

{

System.out.println("No");

break;

}

else

{

System.out.println("Yes It is Isogram");

}

Expand file tree