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OcurrenceOfLetter.java

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package String;

import java.util.Scanner;

public class OcurrenceOfLetter {

public static void letterOccurence(String s) {

int n; char c;

while((s.length()-1)>=0) {

c=s.charAt(0);

n=s.length()-s.replace(c+"","").length();

System.out.println("Occurence of ["+c+"] = "+n);

s=s.replace(c+"", "");

}

}

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("Enter Your String: ");

String str = sc.nextLine();

letterOccurence(str);

sc.close();

}

}