Αποτελέσματα Αναζήτησης
10 Ιουλ 2015 · @Override public int compareTo(Student student) { int comp = this.firstName.compareTo(student.firstName); if(comp==0) return this.lastName.compareTo(student.lastName); return comp; } when compareTo returns 0, treeSet assumes that its duplicate.
4 Φεβ 2014 · public int compareTo(MyClass other) { ... // compares using the value field } } and would like to put different instances of MyClass into a TreeSet. By different, I mean if the default equals() would have returned false for two inserted objects, both should remain in the TreeSet.
13 Φεβ 2014 · First of all, I have this interface: public interface GeometricFigureInterface extends Comparable { double getArea(); TreeSet<?> getByText(String text); @Override. public int compareTo(Object o); } And then a Rectangle. public class Dreptunghi implements GeometricFigureInterface { private double x1; private double y1; private double x2;
31 Ιουλ 2024 · This Java program demonstrates how to override the compareTo() method from the Comparable interface to sort objects by age. The GFG class implements Comparable<GFG>, allowing instances to be compared and sorted.
8 Ιαν 2024 · Java allows us to implement various sorting algorithms with any type of data. For example, we can sort strings in alphabetical order, reverse alphabetical order, or based on length. In this tutorial, we’ll explore the Comparable interface and its compareTo method, which enables sorting.
Comparing Java Objects with compareTo() The compareTo() method is used to compare two objects of the same class and determine their relative order. This method is typically used in the following scenarios: Sorting Collections. When working with collections such as TreeSet, TreeMap, or sorted lists, the compareTo() method is used to determine the order of the elements.
1 Οκτ 2021 · To sort TreeSet elements using Comparable interface in java first, we create a class Student that implements the Comparable interface. In this class we override the compareTo() method. Pseudo Code:
