Question

Print character with maximum frequency and frequency of all characters in given sentence.

Enter a sentence:
the quick brown fox jumped over the lazy dog.
A:1
B:1
C:1
D:2
E:4
F:1
G:1
H:2
I:1
J:1
K:1
L:1
M:1
N:1
O:4
P:1
Q:1
R:2
S:0
T:2
U:2
V:1
W:1
X:1
Y:1
Z:1
Character with maximum frequency in given sentence:E

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Code

import java.util.Scanner;
public class FrequencyOfCharacters
{
    public static void main(String[] args)
    {
        String sen="";
        char ch=' ',ch1=' ',maximumFrequencyCharacter=' ';
        int i=0,len=0,count=0,maxFrequency=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++;
                }
            }
            if(count>maxFrequency)
            {
                maxFrequency=count;
                maximumFrequencyCharacter=ch;
            }
            System.out.println(ch+":"+count);
        }
        System.out.println("Character with maximum frequency in given sentence:"+maximumFrequencyCharacter);
    }
}