002_JDK的Comparable接口

1. JDK1.8中的Comparable接口

package java.lang;

/**
 *
 * @param <T> the type of objects that this object may be compared to
 *
 * @author  Josh Bloch
 * @see java.util.Comparator
 * @since 1.2
 */
public interface Comparable<T> {
    public int compareTo(T o);
}