ZCW-Arrays-PersonDetails-BlueJ/PersonHandler.java

public class PersonHandler {
    private final Person[] personArray;

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

    public String whileLoop() {
        //String result = "";
        // assume there is a `counter`
        // while `counter` is less than length of array
            // begin loop

                // use `counter` to identify the `current Person` in the array
                // get `string Representation` of `currentPerson`
                // append `stringRepresentation` to `result` variable

            // end loop
        
        int counter = 0;
        
        String currentPerson = "";
        
        while(counter < personArray.length){
            
            currentPerson += personArray[counter].toString();
            
            counter++;
            
        }
        
        return currentPerson;
    }

    //Use string builder

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

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



    public String forEachLoop() {
        String result = "";
        // identify array's type = person
        // identify array's variable-name = personArray

        // use the above discoveries to declare for-each-loop signature
            // begin loop
                // get `string Representation` of `currentPerson`
                // append `stringRepresentation` to `result` variable
            // end loop
            
        for(Person person : personArray){
            
            result += person.toString();
            
        }
            

        return result;
    }


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