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[BAEL-3981] Moved inner classes to upper level

This commit is contained in:
dupirefr 2020-05-13 19:17:02 +02:00
parent dbdb32da46
commit 24a88c11ac
11 changed files with 282 additions and 278 deletions
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217
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/Person.java
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@ -1,217 +0,0 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Comparator;
import java.util.Objects;
public class Person {
public static class PersonWithoutEquals {
private String firstName;
private String lastName;
public PersonWithoutEquals(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
}
public static class PersonWithEquals {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEquals(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEquals(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
public LocalDate birthDate() {
return birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEquals that = (PersonWithEquals) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
}
public static class PersonWithEqualsAndWrongComparable implements Comparable<PersonWithEqualsAndWrongComparable> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndWrongComparable(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndWrongComparable(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndWrongComparable that = (PersonWithEqualsAndWrongComparable) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndWrongComparable o) {
return this.lastName.compareTo(o.lastName);
}
}
public static class PersonWithEqualsAndComparable implements Comparable<PersonWithEqualsAndComparable> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndComparable(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndComparable(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndComparable that = (PersonWithEqualsAndComparable) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndComparable o) {
int lastNamesComparison = this.lastName.compareTo(o.lastName);
if (lastNamesComparison == 0) {
int firstNamesComparison = this.firstName.compareTo(o.firstName);
if (firstNamesComparison == 0) {
if (this.birthDate != null && o.birthDate != null) {
return this.birthDate.compareTo(o.birthDate);
} else if (this.birthDate != null) {
return 1;
} else if (o.birthDate != null) {
return -1;
} else {
return 0;
}
} else {
return firstNamesComparison;
}
} else {
return lastNamesComparison;
}
}
}
public static class PersonWithEqualsAndComparableUsingComparator implements Comparable<PersonWithEqualsAndComparableUsingComparator> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndComparableUsingComparator(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndComparableUsingComparator(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
public LocalDate birthDate() {
return birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndComparableUsingComparator that = (PersonWithEqualsAndComparableUsingComparator) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndComparableUsingComparator o) {
return Comparator.comparing(PersonWithEqualsAndComparableUsingComparator::lastName)
.thenComparing(PersonWithEqualsAndComparableUsingComparator::firstName)
.thenComparing(PersonWithEqualsAndComparableUsingComparator::birthDate, Comparator.nullsLast(Comparator.naturalOrder()))
.compare(this, o);
}
}
}

51
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEquals.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Objects;
public class PersonWithEquals {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEquals(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEquals(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
public LocalDate birthDate() {
return birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEquals that = (PersonWithEquals) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
}

62
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEqualsAndComparable.java Normal file
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@ -0,0 +1,62 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Objects;
public class PersonWithEqualsAndComparable implements Comparable<PersonWithEqualsAndComparable> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndComparable(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndComparable(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndComparable that = (PersonWithEqualsAndComparable) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndComparable o) {
int lastNamesComparison = this.lastName.compareTo(o.lastName);
if (lastNamesComparison == 0) {
int firstNamesComparison = this.firstName.compareTo(o.firstName);
if (firstNamesComparison == 0) {
if (this.birthDate != null && o.birthDate != null) {
return this.birthDate.compareTo(o.birthDate);
} else if (this.birthDate != null) {
return 1;
} else if (o.birthDate != null) {
return -1;
} else {
return 0;
}
} else {
return firstNamesComparison;
}
} else {
return lastNamesComparison;
}
}
}

60
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEqualsAndComparableUsingComparator.java Normal file
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@ -0,0 +1,60 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Comparator;
import java.util.Objects;
public class PersonWithEqualsAndComparableUsingComparator implements Comparable<PersonWithEqualsAndComparableUsingComparator> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndComparableUsingComparator(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndComparableUsingComparator(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
public LocalDate birthDate() {
return birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndComparableUsingComparator that = (PersonWithEqualsAndComparableUsingComparator) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndComparableUsingComparator o) {
return Comparator.comparing(PersonWithEqualsAndComparableUsingComparator::lastName)
.thenComparing(PersonWithEqualsAndComparableUsingComparator::firstName)
.thenComparing(PersonWithEqualsAndComparableUsingComparator::birthDate, Comparator.nullsLast(Comparator.naturalOrder()))
.compare(this, o);
}
}

44
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithEqualsAndWrongComparable.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.comparing;
import java.time.LocalDate;
import java.util.Objects;
public class PersonWithEqualsAndWrongComparable implements Comparable<PersonWithEqualsAndWrongComparable> {
private String firstName;
private String lastName;
private LocalDate birthDate;
public PersonWithEqualsAndWrongComparable(String firstName, String lastName) {
if (firstName == null || lastName == null) {
throw new NullPointerException("Names can't be null");
}
this.firstName = firstName;
this.lastName = lastName;
}
public PersonWithEqualsAndWrongComparable(String firstName, String lastName, LocalDate birthDate) {
this(firstName, lastName);
this.birthDate = birthDate;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PersonWithEqualsAndWrongComparable that = (PersonWithEqualsAndWrongComparable) o;
return firstName.equals(that.firstName) &&
lastName.equals(that.lastName) &&
Objects.equals(birthDate, that.birthDate);
}
@Override
public int hashCode() {
return Objects.hash(firstName, lastName);
}
@Override
public int compareTo(PersonWithEqualsAndWrongComparable o) {
return this.lastName.compareTo(o.lastName);
}
}

11
core-java-modules/core-java-lang-2/src/main/java/com/baeldung/comparing/PersonWithoutEquals.java Normal file
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@ -0,0 +1,11 @@
package com.baeldung.comparing;
public class PersonWithoutEquals {
private String firstName;
private String lastName;
public PersonWithoutEquals(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
}

36
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ComparableInterfaceUnitTest.java
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@ -35,34 +35,34 @@ class ComparableInterfaceUnitTest {
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndConsecutiveLastNames_whenCompareTo_thenNegative() {
Person.PersonWithEqualsAndWrongComparable richard = new Person.PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndWrongComparable joe = new Person.PersonWithEqualsAndWrongComparable("Joe", "Portman");
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable joe = new PersonWithEqualsAndWrongComparable("Joe", "Portman");
assertThat(richard.compareTo(joe)).isNegative();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndSameLastNames_whenReversedCompareTo_thenZero() {
Person.PersonWithEqualsAndWrongComparable richard = new Person.PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndWrongComparable mike = new Person.PersonWithEqualsAndWrongComparable("Mike", "Jefferson");
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable mike = new PersonWithEqualsAndWrongComparable("Mike", "Jefferson");
assertThat(richard.compareTo(mike)).isZero();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndConsecutiveLastNames_whenReversedCompareTo_thenPositive() {
Person.PersonWithEqualsAndWrongComparable richard = new Person.PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndWrongComparable joe = new Person.PersonWithEqualsAndWrongComparable("Joe", "Portman");
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable joe = new PersonWithEqualsAndWrongComparable("Joe", "Portman");
assertThat(joe.compareTo(richard)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndWrongComparableAndSameLastNames_whenSortedSet_thenProblem() {
Person.PersonWithEqualsAndWrongComparable richard = new Person.PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndWrongComparable mike = new Person.PersonWithEqualsAndWrongComparable("Mike", "Jefferson");
PersonWithEqualsAndWrongComparable richard = new PersonWithEqualsAndWrongComparable("Richard", "Jefferson");
PersonWithEqualsAndWrongComparable mike = new PersonWithEqualsAndWrongComparable("Mike", "Jefferson");
SortedSet<Person.PersonWithEqualsAndWrongComparable> people = new TreeSet<>();
SortedSet<PersonWithEqualsAndWrongComparable> people = new TreeSet<>();
people.add(richard);
people.add(mike);
@ -71,34 +71,34 @@ class ComparableInterfaceUnitTest {
@Test
void givenTwoPersonWithEqualsAndComparableAndConsecutiveLastNames_whenCompareTo_thenNegative() {
Person.PersonWithEqualsAndComparable richard = new Person.PersonWithEqualsAndComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndComparable joe = new Person.PersonWithEqualsAndComparable("Joe", "Portman");
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable joe = new PersonWithEqualsAndComparable("Joe", "Portman");
assertThat(richard.compareTo(joe)).isNegative();
}
@Test
void givenTwoPersonWithEqualsAndComparableAndSameLastNames_whenReversedCompareTo_thenZero() {
Person.PersonWithEqualsAndComparable richard = new Person.PersonWithEqualsAndComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndComparable mike = new Person.PersonWithEqualsAndComparable("Mike", "Jefferson");
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable mike = new PersonWithEqualsAndComparable("Mike", "Jefferson");
assertThat(richard.compareTo(mike)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableAndConsecutiveLastNames_whenReversedCompareTo_thenPositive() {
Person.PersonWithEqualsAndComparable richard = new Person.PersonWithEqualsAndComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndComparable joe = new Person.PersonWithEqualsAndComparable("Joe", "Portman");
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable joe = new PersonWithEqualsAndComparable("Joe", "Portman");
assertThat(joe.compareTo(richard)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableAndSameLastNames_whenSortedSet_thenProblem() {
Person.PersonWithEqualsAndComparable richard = new Person.PersonWithEqualsAndComparable("Richard", "Jefferson");
Person.PersonWithEqualsAndComparable mike = new Person.PersonWithEqualsAndComparable("Mike", "Jefferson");
PersonWithEqualsAndComparable richard = new PersonWithEqualsAndComparable("Richard", "Jefferson");
PersonWithEqualsAndComparable mike = new PersonWithEqualsAndComparable("Mike", "Jefferson");
SortedSet<Person.PersonWithEqualsAndComparable> people = new TreeSet<>();
SortedSet<PersonWithEqualsAndComparable> people = new TreeSet<>();
people.add(richard);
people.add(mike);

36
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ComparatorInterfaceUnitTest.java
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@ -10,16 +10,16 @@ class ComparatorInterfaceUnitTest {
@Test
void givenListOfTwoPersonWithEqualsAndComparatorByFirstName_whenSort_thenSortedByFirstNames() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals allan = new Person.PersonWithEquals("Allan", "Dale");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals allan = new PersonWithEquals("Allan", "Dale");
List<Person.PersonWithEquals> people = new ArrayList<>();
List<PersonWithEquals> people = new ArrayList<>();
people.add(joe);
people.add(allan);
Comparator<Person.PersonWithEquals> compareByFirstNames = new Comparator<Person.PersonWithEquals>() {
Comparator<PersonWithEquals> compareByFirstNames = new Comparator<PersonWithEquals>() {
@Override
public int compare(Person.PersonWithEquals o1, Person.PersonWithEquals o2) {
public int compare(PersonWithEquals o1, PersonWithEquals o2) {
return o1.firstName().compareTo(o2.firstName());
}
};
@ -30,14 +30,14 @@ class ComparatorInterfaceUnitTest {
@Test
void givenListOfTwoPersonWithEqualsAndComparatorByFirstNameFunctionalStyle_whenSort_thenSortedByFirstNames() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals allan = new Person.PersonWithEquals("Allan", "Dale");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals allan = new PersonWithEquals("Allan", "Dale");
List<Person.PersonWithEquals> people = new ArrayList<>();
List<PersonWithEquals> people = new ArrayList<>();
people.add(joe);
people.add(allan);
Comparator<Person.PersonWithEquals> compareByFirstNames = Comparator.comparing(Person.PersonWithEquals::firstName);
Comparator<PersonWithEquals> compareByFirstNames = Comparator.comparing(PersonWithEquals::firstName);
people.sort(compareByFirstNames);
assertThat(people).containsExactly(allan, joe);
@ -45,34 +45,34 @@ class ComparatorInterfaceUnitTest {
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndConsecutiveLastNames_whenCompareTo_thenNegative() {
Person.PersonWithEqualsAndComparableUsingComparator richard = new Person.PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
Person.PersonWithEqualsAndComparableUsingComparator joe = new Person.PersonWithEqualsAndComparableUsingComparator("Joe", "Portman");
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator joe = new PersonWithEqualsAndComparableUsingComparator("Joe", "Portman");
assertThat(richard.compareTo(joe)).isNegative();
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndSameLastNames_whenReversedCompareTo_thenZero() {
Person.PersonWithEqualsAndComparableUsingComparator richard = new Person.PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
Person.PersonWithEqualsAndComparableUsingComparator mike = new Person.PersonWithEqualsAndComparableUsingComparator("Mike", "Jefferson");
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator mike = new PersonWithEqualsAndComparableUsingComparator("Mike", "Jefferson");
assertThat(richard.compareTo(mike)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndConsecutiveLastNames_whenReversedCompareTo_thenPositive() {
Person.PersonWithEqualsAndComparableUsingComparator richard = new Person.PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
Person.PersonWithEqualsAndComparableUsingComparator joe = new Person.PersonWithEqualsAndComparableUsingComparator("Joe", "Portman");
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator joe = new PersonWithEqualsAndComparableUsingComparator("Joe", "Portman");
assertThat(joe.compareTo(richard)).isPositive();
}
@Test
void givenTwoPersonWithEqualsAndComparableUsingComparatorAndSameLastNames_whenSortedSet_thenProblem() {
Person.PersonWithEqualsAndComparableUsingComparator richard = new Person.PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
Person.PersonWithEqualsAndComparableUsingComparator mike = new Person.PersonWithEqualsAndComparableUsingComparator("Mike", "Jefferson");
PersonWithEqualsAndComparableUsingComparator richard = new PersonWithEqualsAndComparableUsingComparator("Richard", "Jefferson");
PersonWithEqualsAndComparableUsingComparator mike = new PersonWithEqualsAndComparableUsingComparator("Mike", "Jefferson");
SortedSet<Person.PersonWithEqualsAndComparableUsingComparator> people = new TreeSet<>();
SortedSet<PersonWithEqualsAndComparableUsingComparator> people = new TreeSet<>();
people.add(richard);
people.add(mike);

12
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/EqualsMethodUnitTest.java
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@ -49,24 +49,24 @@ class EqualsMethodUnitTest {
@Test
void givenTwoPersonWithoutEqualsWithSameNames_whenEquals_thenFalse() {
Person.PersonWithoutEquals joe = new Person.PersonWithoutEquals("Joe", "Portman");
Person.PersonWithoutEquals joeAgain = new Person.PersonWithoutEquals("Joe", "Portman");
PersonWithoutEquals joe = new PersonWithoutEquals("Joe", "Portman");
PersonWithoutEquals joeAgain = new PersonWithoutEquals("Joe", "Portman");
assertThat(joe.equals(joeAgain)).isFalse();
}
@Test
void givenTwoPersonWithEqualsWithSameNames_whenEquals_thenTrue() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals joeAgain = new Person.PersonWithEquals("Joe", "Portman");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals joeAgain = new PersonWithEquals("Joe", "Portman");
assertThat(joe.equals(joeAgain)).isTrue();
}
@Test
void givenTwoPersonWittEqualsWithDifferentNames_whenEquals_thenFalse() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals nathalie = new Person.PersonWithEquals("Nathalie", "Portman");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals nathalie = new PersonWithEquals("Nathalie", "Portman");
assertThat(joe.equals(nathalie)).isFalse();
}

11
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/GuavaUnitTest.java
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@ -1,18 +1,11 @@
package com.baeldung.comparing;
import com.google.common.base.Objects;
import com.google.common.base.Strings;
import com.google.common.collect.ComparisonChain;
import com.google.common.primitives.Booleans;
import com.google.common.primitives.Bytes;
import com.google.common.primitives.Ints;
import com.google.common.primitives.Shorts;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
class GuavaUnitTest {
@ -66,8 +59,8 @@ class GuavaUnitTest {
class ComparisonChainClass {
@Test
void givenTwoPersonWithEquals_whenComparisonChainByLastNameThenFirstName_thenSortedJoeFirstAndNathalieSecond() {
Person.PersonWithEquals nathalie = new Person.PersonWithEquals("Nathalie", "Portman");
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
PersonWithEquals nathalie = new PersonWithEquals("Nathalie", "Portman");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
int comparisonResult = ComparisonChain.start()
.compare(nathalie.lastName(), joe.lastName())

20
core-java-modules/core-java-lang-2/src/test/java/com/baeldung/comparing/ObjectsEqualsStaticMethodUnitTest.java
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@ -10,40 +10,40 @@ class ObjectsEqualsStaticMethodUnitTest {
@Test
void givenTwoPersonWithEqualsWithSameNames_whenObjectsEquals_thenTrue() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals joeAgain = new Person.PersonWithEquals("Joe", "Portman");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals joeAgain = new PersonWithEquals("Joe", "Portman");
assertThat(Objects.equals(joe, joeAgain)).isTrue();
}
@Test
void givenTwoPersonWithEqualsWithDifferentNames_whenObjectsEquals_thenFalse() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals nathalie = new Person.PersonWithEquals("Nathalie", "Portman");
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals nathalie = new PersonWithEquals("Nathalie", "Portman");
assertThat(Objects.equals(joe, nathalie)).isFalse();
}
@Test
void givenTwoPersonWithEqualsFirstNull_whenObjectsEquals_thenFalse() {
Person.PersonWithEquals nobody = null;
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
PersonWithEquals nobody = null;
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
assertThat(Objects.equals(nobody, joe)).isFalse();
}
@Test
void givenTwoObjectsSecondtNull_whenObjectsEquals_thenFalse() {
Person.PersonWithEquals joe = new Person.PersonWithEquals("Joe", "Portman");
Person.PersonWithEquals nobody = null;
PersonWithEquals joe = new PersonWithEquals("Joe", "Portman");
PersonWithEquals nobody = null;
assertThat(Objects.equals(joe, nobody)).isFalse();
}
@Test
void givenTwoObjectsNull_whenObjectsEquals_thenTrue() {
Person.PersonWithEquals nobody = null;
Person.PersonWithEquals nobodyAgain = null;
PersonWithEquals nobody = null;
PersonWithEquals nobodyAgain = null;
assertThat(Objects.equals(nobody, nobodyAgain)).isTrue();
}