Custom Comparator Example - Java Typing CST Test

Custom Comparator Example — Java Code

Sorts a list of custom objects using a custom comparator.

import java.util.*;

class Person {
	String name;
	int age;
	Person(String name, int age) { this.name = name; this.age = age; }
	public String toString() { return name + "(" + age + ")"; }
}

public class ComparatorExample {
	public static void main(String[] args) {
		List<Person> people = Arrays.asList(
		new Person("Alice", 25),
		new Person("Bob", 30),
		new Person("Charlie", 20)
		);
		people.sort(Comparator.comparingInt(p -> p.age));
		System.out.println(people);
	}
}

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