Revert "BAEL-4134"
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@@ -20,7 +20,7 @@ class ComparatorInterfaceUnitTest {
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Comparator<PersonWithEquals> compareByFirstNames = new Comparator<PersonWithEquals>() {
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@Override
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public int compare(PersonWithEquals o1, PersonWithEquals o2) {
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return o1.firstName().compareTo(o2.firstName());
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return o1.getFirstName().compareTo(o2.getFirstName());
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}
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};
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people.sort(compareByFirstNames);
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@@ -37,7 +37,7 @@ class ComparatorInterfaceUnitTest {
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people.add(joe);
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people.add(allan);
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Comparator<PersonWithEquals> compareByFirstNames = Comparator.comparing(PersonWithEquals::firstName);
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Comparator<PersonWithEquals> compareByFirstNames = Comparator.comparing(PersonWithEquals::getFirstName);
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people.sort(compareByFirstNames);
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assertThat(people).containsExactly(allan, joe);
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@@ -63,8 +63,8 @@ class GuavaUnitTest {
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PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
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int comparisonResult = ComparisonChain.start()
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.compare(natalie.lastName(), joe.lastName())
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.compare(natalie.firstName(), joe.firstName())
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.compare(natalie.getLastName(), joe.getLastName())
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.compare(natalie.getFirstName(), joe.getFirstName())
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.result();
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assertThat(comparisonResult).isPositive();
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@@ -1,7 +1,12 @@
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package com.baeldung.inttoenum;
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import org.assertj.core.api.Assertions;
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import org.junit.Test;
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import java.util.Arrays;
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import java.util.Optional;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.junit.Assert.assertEquals;
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public class IntToEnumUnitTest {
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@@ -9,19 +14,33 @@ public class IntToEnumUnitTest {
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@Test
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public void whenIntToEnumUsingValuesMethod_thenReturnEnumObject() {
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int timeToDeliveryForOrderedPizzaStatus = 5;
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PizzaStatus[] pizzaStatuses = PizzaStatus.values();
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PizzaStatus pizzaOrderedStatus = null;
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for (int pizzaStatusIndex = 0; pizzaStatusIndex < pizzaStatuses.length; pizzaStatusIndex++) {
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if (pizzaStatuses[pizzaStatusIndex].getTimeToDelivery() == timeToDeliveryForOrderedPizzaStatus) {
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pizzaOrderedStatus = pizzaStatuses[pizzaStatusIndex];
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for (PizzaStatus pizzaStatus : PizzaStatus.values()) {
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if (pizzaStatus.getTimeToDelivery() == timeToDeliveryForOrderedPizzaStatus) {
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pizzaOrderedStatus = pizzaStatus;
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}
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}
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assertEquals(pizzaOrderedStatus, PizzaStatus.ORDERED);
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assertThat(pizzaOrderedStatus).isEqualTo(PizzaStatus.ORDERED);
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}
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@Test
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public void whenIntToEnumUsingMap_thenReturnEnumObject() {
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int timeToDeliveryForOrderedPizzaStatus = 5;
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assertEquals(PizzaStatus.castIntToEnum(timeToDeliveryForOrderedPizzaStatus), PizzaStatus.ORDERED);
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assertThat(PizzaStatus.castIntToEnum(timeToDeliveryForOrderedPizzaStatus)).isEqualTo(PizzaStatus.ORDERED);
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}
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@Test
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public void whenIntToEnumUsingStream_thenReturnEnumObject() {
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int timeToDeliveryForOrderedPizzaStatus = 5;
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Optional<PizzaStatus> pizzaStatus = Arrays.stream(PizzaStatus.values())
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.filter(p -> p.getTimeToDelivery() == timeToDeliveryForOrderedPizzaStatus)
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.findFirst();
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assertThat(pizzaStatus).hasValue(PizzaStatus.ORDERED);
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}
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}
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@@ -0,0 +1,67 @@
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package com.baeldung.isinstancevsisassignablefrom;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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import org.junit.Test;
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public class IsInstanceIsAssignableFromUnitTest {
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@Test
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public void whenUsingIsInstanceProperly_desiredResultsHappen() {
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Shape shape = new Triangle();
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Triangle triangle = new Triangle();
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IsoscelesTriangle isoscelesTriangle = new IsoscelesTriangle();
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Triangle isoscelesTriangle2 = new IsoscelesTriangle();
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Shape nonspecificShape = null;
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assertTrue(Shape.class.isInstance(shape));
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assertTrue(Shape.class.isInstance(triangle));
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assertTrue(Shape.class.isInstance(isoscelesTriangle));
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assertTrue(Shape.class.isInstance(isoscelesTriangle2));
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assertFalse(Shape.class.isInstance(nonspecificShape));
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assertTrue(Triangle.class.isInstance(shape));
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assertTrue(Triangle.class.isInstance(triangle));
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assertTrue(Triangle.class.isInstance(isoscelesTriangle));
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assertTrue(Triangle.class.isInstance(isoscelesTriangle2));
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assertFalse(IsoscelesTriangle.class.isInstance(shape));
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assertFalse(IsoscelesTriangle.class.isInstance(triangle));
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assertTrue(IsoscelesTriangle.class.isInstance(isoscelesTriangle));
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assertTrue(IsoscelesTriangle.class.isInstance(isoscelesTriangle2));
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}
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@Test
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public void whenUsingIsAssignableFromProperly_desiredResultsHappen() {
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Shape shape = new Triangle();
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Triangle triangle = new Triangle();
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IsoscelesTriangle isoscelesTriangle = new IsoscelesTriangle();
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Triangle isoscelesTriangle2 = new IsoscelesTriangle();
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assertFalse(shape.getClass().isAssignableFrom(Shape.class));
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assertTrue(shape.getClass().isAssignableFrom(shape.getClass()));
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assertTrue(shape.getClass().isAssignableFrom(triangle.getClass()));
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assertTrue(shape.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
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assertTrue(shape.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
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assertFalse(triangle.getClass().isAssignableFrom(Shape.class));
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assertTrue(triangle.getClass().isAssignableFrom(shape.getClass()));
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assertTrue(triangle.getClass().isAssignableFrom(triangle.getClass()));
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assertTrue(triangle.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
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assertTrue(triangle.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
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assertFalse(isoscelesTriangle.getClass().isAssignableFrom(Shape.class));
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assertFalse(isoscelesTriangle.getClass().isAssignableFrom(shape.getClass()));
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assertFalse(isoscelesTriangle.getClass().isAssignableFrom(triangle.getClass()));
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assertTrue(isoscelesTriangle.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
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assertTrue(isoscelesTriangle.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
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assertFalse(isoscelesTriangle2.getClass().isAssignableFrom(Shape.class));
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assertFalse(isoscelesTriangle2.getClass().isAssignableFrom(shape.getClass()));
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assertFalse(isoscelesTriangle2.getClass().isAssignableFrom(triangle.getClass()));
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assertTrue(isoscelesTriangle2.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
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assertTrue(isoscelesTriangle2.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
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}
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}
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