Java program to count the characters in each word in a given sentence

To count the characters in each word in a given sentence, the Java code is as follows −

Example

 Live Demo

import java.util.*; public class Demo{    static final int max_chars = 256;    static void char_occurence(String my_str){       int count[] = new int[max_chars];       int str_len = my_str.length();       for (int i = 0; i < str_len; i++)       count[my_str.charAt(i)]++;       char ch[] = new char[my_str.length()];       for (int i = 0; i < str_len; i++){          ch[i] = my_str.charAt(i);          int find = 0;          for (int j = 0; j <= i; j++){             if (my_str.charAt(i) == ch[j])             find++;          }          if (find == 1)           System.out.println("The number of occurrence of " + my_str.charAt(i) + " is :" +           count[my_str.charAt(i)]);       }    }    public static void main(String[] args){       Scanner my_scan = new Scanner(System.in);       String my_str = "This is a sample";       char_occurence(my_str);    } }

Output

The number of occurrence of T is :1 The number of occurrence of h is :1 The number of occurrence of i is :2 The number of occurrence of s is :3 The number of occurrence of is :3 The number of occurrence of a is :2 The number of occurrence of m is :1 The number of occurrence of p is :1 The number of occurrence of l is :1 The number of occurrence of e is :1

A class named Demo contains the function ‘char_occurence’ that iterates through the string and counts every character and assigns its count to the respective character in the count array. In the main function, a Scanner class object is created to read the input from the console. The function is called on string and the count of every character is displayed on the console.