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Question

program to count frequency of characters in given sentence. 

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Code

				
					
import java.util.Scanner;
public class frequencyOfCharactersInSentence 
{  
    public static void main(String[] args)
    {  
        String sen="";
        char ch=' ',ch1=' ';
        int i=0,len=0,count=0;
        Scanner sc = new Scanner(System.in);    
        
        System.out.println("Enter a sentence");   
        sen = sc.nextLine(); 
        sen=sen.toUpperCase();
        len=sen.length();
        for(ch='A';ch<='Z';ch++)
        {
            count=0;
            for(i=0;i< len;i++)
            {
                ch1=sen.charAt(i);
            
                if(ch1==ch)
                {
                    count++;
                }
                
            }
            System.out.println(ch+":"+count);
        }
    }  
}    

				
			

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