Princeton1/clients/src/main/java/com/hithomelabs/clients/module5/SelectionClient.java

package com.hithomelabs.clients.module5;

import com.hithomelabs.princeton1.module5.Selection;

import java.util.ArrayList;

public class SelectionClient {



    public static void main(String[] args){

        Apple[] apples = new Apple[3];
        Orange[] oranges = new Orange[3];
        Selection<Apple> selection = new Selection<Apple>();

        apples[0] = new Apple(3);
        apples[1] = new Apple(5);
        apples[2] = new Apple(4);
        selection.sort(apples);

        //* * Sample output
        for (int i = 0; i < apples.length; i++)
            System.out.println(apples[i]);

        oranges[0] = new Orange(4);
        oranges[1] = new Orange(1);
        // * Should give runtime exception as ClassCastException is a runtime exception
        //selection.sort(oranges);
        Selection<Orange> selection2 = new Selection<Orange>();
        // * Should result in a compile time exception, as casting to Orange will fail
        //selection2.sort(apples);
    }

    private static class Orange{
        private int size;
        Orange(int size){
            this.size = size;
        }

        @Override
        public String toString() {
            return "An orange of size "+size;
        }
    }

    private static class Apple implements Comparable<Apple>{
        private int size;

        Apple(int size){
            this.size = size;
        }

        @Override
        public String toString() {
            return "An apple of size "+size;
        }

        @Override
        public int compareTo(Apple that) {
            if (this.size < that.size) return -1;
            else if (this.size == that.size)return 0;
            else return 1;
        }
    }
}