Java Program To Replace Character With It's Occurrence | Java | Ashok IT

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[@moumajhi23]

for(int i = 0 ; i

[@YashSingh-xs5yj]

Sir, it was a great tutorial can you please help, one interview coding question which was based on String I was not able to solve that properly
Input: abbcccdddd
Output: ab2c3d4
If the repetition of a char in a string is more than one, then it should be replaced by a number denoting the occurrence of that char in String

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[@47lokeshkumar74]

Nice. Kindly give data structure video also

[@my_love_sanatan]

9:05 why this will not work, not clear, does it mean it will store only single char of integer like not greater than 0-9 ?

[@YashSingh-xs5yj]

package StringQuestions;
public class ReplaceCharWithCountOfRepetition {
public static void main(String[] args) {
String input = "opentext";
char chCheck = 't';
input = input.toLowerCase();
if (input.indexOf(chCheck) == -1) {
System.out.println("The Given Character is not present!");
return; // Exit early if the character is not found
}
StringBuilder sb = new StringBuilder(input);
int count = 1;
for (int i = 0; i < sb.length(); i++) {
if (sb.charAt(i) == chCheck) {
sb.setCharAt(i, (char) ('0' + count));
count++;
}
}
System.out.println(sb.toString());
}
}

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[@beastcombatanalysing635]

What would happen if we just did it as arr[i] = String.valueOf(cnt); ?

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[@sainath2983]

string str = "opentext";
char ch = 't';
int count = 48;
char[] chars = str.ToCharArray();
for (int i = 0; i < chars.Length; i++)
{
if (ch == chars[i])
{
count++;
chars[i] = (char)count;
}
}
Console.WriteLine(chars);

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[@frustrated_majdoor]

Why are we using charAt(0)..plz explain

[@christopherami8142]

simple because charAt(0) return the first character in the string

[@ashwadipmeshram8232]

Because we want to put at arr[i] in 0th index

[@sonamSharma15]

Please explain

[@umadevialamkonda8860]

public static String Replace_occurances(String s,char rc) {

StringBuilder ans= new StringBuilder();
int count=1;
if(s.indexOf(rc)==-1){
System.out.println("The given character "+rc+" is not present in the String");
}else{
for(int i=0;i

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[@vigneshr643]

How to change only the second occurrence with different character?

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