Utility.java

// ---- Utility.java ----//
package com.atultiwari.medicalquiz;

import java.util.List;


/**
 * @author rob
 *
 */
public class Utility {

    /**
     * Method to capitalise the first letter of a given string
     *
     * @param s
     * @return
     */
    public static String capitalise(String s){
        if (s==null || s.length()==0) return s;

        String s1 = s.substring(0, 1).toUpperCase() + s.substring(1);
        return s1;
    }

    /**
     * Method to get set of answers for a list of questions
     * @param questions
     * @return
     */
    public static String getAnswers(List<Question> questions) {
        int question = 1;
        StringBuffer sb = new StringBuffer();

        for (Question q : questions){
            sb.append("Q").append(question).append(") ").append(q.getQuestion()).append("? \n");
            sb.append("Answer: ").append(q.getAnswer()).append("\n\n");
            question ++;
        }

        return sb.toString();
    }

}