Duck.java

package TemplatePattern.JavaSortExample;

public class Duck implements Comparable<Duck> {
    private String name;
    private int weight;

    public Duck(String name, int weight) {
        this.name = name;
        this.weight = weight;
    }


    public String toString() {
        return name + " weighs " + weight;
    }

    // In Java we override the compareTo method from the Comparable interface to define the sorting order
    @Override
    public int compareTo(Duck otherDuck) {
        if(this.weight < otherDuck.weight) {
            return -1;
        } else if(this.weight == otherDuck.weight) {
            return 0;
        } else { // this.weight > otherDuck.weight
            return 1;
        }
    }

}