» » Java Program to find Max occurred character in a string


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  1. package com.javatutorial;
  2.  
  3. public class MaxOccuranceOfChar{
  4.    
  5. public static String MaxOccuredChar(String str) {
  6.  
  7.         char[] array = str.toCharArray();
  8.         int maxCount = 1;
  9.         char maxChar = array[0];
  10.  
  11.   for(int i = 0, j = 0; i < str.length() - 1; i = j){
  12.        int count = 1;
  13.    while (++j < str.length() && array[i] == array[j]) {
  14.           count++;
  15.         }
  16.  
  17.   if (count > maxCount) {
  18.      maxCount = count;
  19.      maxChar = array[i];
  20.  }
  21.  
  22.   }
  23.  
  24.         return (maxChar + " = " + maxCount);
  25.  }

  26.  public static void main(String[] args) {
  27.   
  28.   String str1=MaxOccuredChar("instanceofjava");
  29.   System.out.println(str1);
  30.  
  31.   String str2=MaxOccuredChar("aaaabbbccc");
  32.   System.out.println(str2);
  33.  
  34.   String str3=MaxOccuredChar("ssssiiinnn");
  35.   System.out.println(str3);
  36.  
  37.   String str4=MaxOccuredChar("jaaaavvvvvvvvaaaaaaaaaa");
  38.   System.out.println(str4);
  39.  
  40. }

  41. }


Output:

  1. i = 1
  2. a = 4
  3. s = 4
  4. a = 10
     

Instance Of Java

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