Java Program to Find the Frequency of Characters in a String

In this Java program, you’ll learn how to Find the Frequency of Characters in a String using the Java programming language

How Find the Frequency of Characters in a String using JAVA? 

Example 1: 

RUN CODE SNIPPET
public class Main { 
    public static void main(String[] args) { 
        String str = "This website is awesome."; 
        char ch = 'e'; 
        int frequency = 0; 
        for(int i = 0; i < str.length(); i++) { 
            if(ch == str.charAt(i)) { 
                ++frequency; 
            } 
        } 
        System.out.println("Frequency of " + ch + " = " + frequency); 
    } 
}

OUTPUT 

Frequency of e = 4