May 8, 2022 · The compareTo method in your example specifies that when we compare two spaceships we are going to use the string value of their spaceshipClass. Furthermore, the …

Sep 22, 2010 · the Object Ordering section of the Collection Trail in the Sun Java Tutorial Effective Java by Joshua Bloch, especially item 12: Consider implementing Comparable Java …

Jan 7, 2009 · From JavaNotes: a.compareTo(b): Comparable interface : Compares values and returns an int which tells if the values compare less than, equal, or greater than. If your class …

May 27, 2017 · The result is a negative integer if this String object lexicographically precedes the argument string. The result is a positive integer if this String object lexicographically follows the …

Comparison using compareTo does not use correlation: correlation is a symmetric property, whereas compareTo is (or at least should be) anti-symmetric, at least in the sense that …

Oct 11, 2019 · This is an old question, but it contains a nugget I wanted to highlight: " compareTo() == 0 does not necessarily imply equality in all cases". This is absolutely correct! …

Dec 20, 2016 · This is my compareTo method implementation for comparing two Student objects based on their name. Is it possible to compare two such objects based on multiple fields i.e., …

By implementing the compareTo method (coming from the Comparable interface) your are defining what is called a natural order. All sorting methods in JDK will use this ordering by default.

I want to sort my objects in descending order using comparator. class Person { private int age; } Here I want to sort a array of Person objects. How can I do this?

Mar 14, 2014 · I am able to do a compareTO method with ints but as soon as its with doubles I get errors flying up everywhere. public double compareTo(FitnessScore o){ return (this.overall …