Class Letters

minimumKeypadClickCount.java:2–18

import java.util.Scanner;  
class Letters {          
    private char letter;     
    private int frequency;        
    public Letters(char letter) {         
        this.letter = letter;         
        this.frequency = 0;     
    }           
    public char getLetter() {         
        return letter;     
    }      
    public int getFrequency() {         
        return frequency;     
    }         
    public void incrementFrequency() {         
        this.frequency++;     
    }  
}  

public class minimumKeypadClickCoun {