help with counting occurrence problem | Together Java | Page 1

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<@&987246746478460948> please have a look, thanks.

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TJ-Bot

Example the number is 13839537 ... how to find the number of times 3 appeared same with any string problem

To count the number of times a specific digit, such as 3, appears in a given number or string in Java, you can follow these steps:

Convert the number or string into a character array.
Iterate through each character in the array and check if it is equal to the digit you are counting.
If the character matches the digit, increment a counter variable.
After iterating through all characters, return the final count.

Here is an example code snippet to count the occurrences of the digit 3 in a given number:

public class Main {
    public static void main(String[] args) {
        int num = 13839537;
        char target = '3';
        int count = countOccurrences(num, target);
        
        System.out.println("The digit " + target + " appears " + count + " times in the number " + num);
    }

    public static int countOccurrences(int num, char target) {
        String numStr = Integer.toString(num);
        char[] digits = numStr.toCharArray();
        
        int count = 0;
        for (char digit : digits) {
            if (digit == target) {
                count++;
            }
        }
        
        return count;
    }
}

You can modify this code to work with any string input by replacing int num with String str and adjusting the logic accordingly.

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TJ-Bot

Example the number is 13839537 ... how to find the number of times 3 appeared same with any string problem without using arrays and by using condition and loops

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One example question that may be discussed in this category is how to find the number of times a specific digit (in this case "3") appears in a given number without using arrays but by using conditions and loops in Java. Members can provide solutions, explanations, and alternative approaches to solving this problem efficiently.

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#help with counting occurrence problem