Count number of repeating character in a given String in Java Using HashMap

package practice;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class RepeatingCharacters {

	public static void main(String[] args) {

		Scanner sc= new Scanner(System.in);
		String val= sc.next();
		Map<Character, Integer> amap = new HashMap<Character, Integer>();
		int count = 1;
		for (int i = 0; i < val.length(); i++) {
			if (!amap.containsKey(val.charAt(i))) {
				count = 1;
			} 
			amap.put(val.charAt(i), count);
			count++;
		}
		try {
			Set<Map.Entry<Character, Integer>> set = amap.entrySet();
			for (Map.Entry<Character, Integer> entry : set) {
				System.out.println(entry.getKey() + " = " + entry.getValue());
				//Please debug the code for better understanding
			}
		sc.close();
		} catch (Exception e) {
			e.printStackTrace();
			sc.close();
		}
		

	}
}

package practice;

import java.util.HashMap;

import java.util.Map;

import java.util.Scanner;

import java.util.Set;

public class RepeatingCharacters {

public static void main(String[] args) {

Scanner sc= new Scanner(System.in);

String val= sc.next();

Map<Character, Integer> amap = new HashMap<Character, Integer>();

int count = 1;

for (int i = 0; i < val.length(); i++) {

if (!amap.containsKey(val.charAt(i))) {

count = 1;

}

amap.put(val.charAt(i), count);

count++;

}

try {

Set<Map.Entry<Character, Integer>> set = amap.entrySet();

for (Map.Entry<Character, Integer> entry : set) {

System.out.println(entry.getKey() + " = " + entry.getValue());

//Please debug the code for better understanding

}

sc.close();

} catch (Exception e) {

e.printStackTrace();

sc.close();

}

programming
p = 1
a = 1
r = 2
g = 2
i = 1
m = 2
n = 1
o = 1

programming

p = 1

a = 1

r = 2

g = 2

i = 1

m = 2

n = 1

o = 1

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