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

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  • Difficulty Level : Easy
  • Last Updated : 19 May, 2021

Write a Java program to count the characters in each word in a given sentence?
Examples: 
 

Input : geeks for geeks
Output :
geeks->5
for->3
geeks->5

 

  • Here first we create an equivalent char array of given String.
  • Now we iterate the char array using for loop. Inside for loop we declare a String with empty implementation.
  • Whenever we found an alphabet we will perform concatenation of that alphabet with the String variable and increment the value of i.
  • Now when i reaches to a space it will come out from the while loop and now String variable has the word which is previous of space.
  • Now we will print the String variable with the length of the String.

 

JAVA




class CountCharacterInEachWords {
    static void count(String str)
    {
        // Create an char array of given String
        char[] ch = str.toCharArray();
        for (int i = 0; i < ch.length; i++) {
 
            // Declare an String with empty initialization
            String s = "";
 
            // When the character is not space
            while (i < ch.length && ch[i] != ' ') {
 
                // concat with the declared String
                s = s + ch[i];
                i++;
            }
 
            if (s.length() > 0)
                System.out.println(s + "->" + s.length());           
        }
    }
    public static void main(String[] args)
    {
        String str = "geeks for geeks";
        count(str);
    }
}


Output: 
 

geeks->5
for->3
geeks->5

 

 


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