Effective Java Item12
Effective Java 2nd Edition Reading Notes
Item12: Consider Implementing Comparable interface
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package com.googlecode.javatips4u.effectivejava.comparable;
import java.util.Arrays;
public class OrderedArray implements java.lang.Comparable<OrderedArray> {
private int displayOrder;
public OrderedArray(int displayOrder) {
this.displayOrder = displayOrder;
}
public int compareTo(OrderedArray o) {
int result = this.getDisplayOrder() - o.getDisplayOrder();
if (result == 0) {
return 0;
}
return result > 0 ? 1 : -1;
}
public int getDisplayOrder() {
return displayOrder;
}
/**
* @param args
*/
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