ZCW-Arrays-PersonDetails-BlueJ/PersonHandler.java

import java.util.Arrays; 
/**
 * Created by leon on 1/24/18.
 */
public class PersonHandler {
    private final Person[] personArray;

    public PersonHandler(Person[] personArray) {
        this.personArray = personArray;
    }

    public String whileLoop() {
        String result = "";
        // assume there is a `counter`
        int counter = 0;
        // while `counter` is less than length of array
        // begin loop
        while (counter < personArray.length)
        {
            // use `counter` to identify the `current Person` in the array
            // get `string Representation` of `currentPerson`
            // append `stringRepresentation` to `result` variable
            result += personArray[counter].toString();
            counter++;
        }
        // end loop
        return result;
    }

    public String forLoop() {
        String result = "";
        // identify initial value
        // identify terminal condition
        // identify increment

        // use the above clauses to declare for-loop signature
        // begin loop
        for (int i = 0; i <personArray.length; i++){
            // use `counter` to identify the `current Person` in the array
            // get `string Representation` of `currentPerson`
            // append `stringRepresentation` to `result` variable
            result += personArray[i].toString();
        }
        // end loop
        return result;
    }

    public String forEachLoop() {
        String result = "";
        // identify array's type
        // identify array's variable-name
        // use the above discoveries to declare for-each-loop signature
        // begin loop
        for (Person currentPerson: personArray){
            // get `string Representation` of `currentPerson`
            // append `stringRepresentation` to `result` variable
            result+=currentPerson.toString();
        }
        // end loop
        return result;
    }

    public Person[] getPersonArray() {
        return personArray;
    }
}