UmodColTest

package fr.zenika.vertx.app.starter;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

/**
 * @author M. Labusquière
 */
public class TestCollectionMain {
	public static void main(String[] args) {
		Collection<String> col1 = getNewCol();
		Collection<String> col2 = getNewCol();

		System.out.println(col1.equals(col2)); //true
		System.out.println(Collections.unmodifiableCollection(col1).equals(col2));//false
		System.out.println(col1.equals(Collections.unmodifiableCollection(col2)));//false
		System.out.println(Collections.unmodifiableCollection(col1).equals(Collections.unmodifiableCollection(col2)));//false
	}

	public static Collection<String> getNewCol() {
		Collection<String> col = new ArrayList<>();
		return col;
	}
}