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Merge branch 'master' of https://github.com/AlexFlorinHriscu/tutorials

This commit is contained in:
Jonathan Cook 2020-02-17 11:26:26 +01:00
parent ddede5f4d8 70799d694f
commit 956445cf37
3 changed files with 94 additions and 98 deletions
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48
core-java-modules/core-java-arrays-3/pom.xml
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@ -1,31 +1,31 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" <project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<artifactId>core-java-arrays-3</artifactId> <artifactId>core-java-arrays-3</artifactId>
<version>0.1.0-SNAPSHOT</version> <version>0.1.0-SNAPSHOT</version>
<name>core-java-arrays-3</name> <name>core-java-arrays-3</name>
<packaging>jar</packaging> <packaging>jar</packaging>
<parent> <parent>
<groupId>com.baeldung</groupId> <groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId> <artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version> <version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath> <relativePath>../../parent-java</relativePath>
</parent> </parent>
<dependencies> <dependencies>
<dependency> <dependency>
<groupId>org.assertj</groupId> <groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId> <artifactId>assertj-core</artifactId>
<version>${assertj.version}</version> <version>${assertj.version}</version>
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
</dependencies> </dependencies>
<properties> <properties>
<assertj.version>3.14.0</assertj.version> <assertj.version>3.14.0</assertj.version>
</properties> </properties>
</project> </project>

142
core-java-modules/core-java-arrays-3/src/test/java/com/baeldung/arrays/deepequals/ArraysDeepEqualsUnitTest.java
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@ -9,92 +9,88 @@ import org.junit.jupiter.api.Test;
public class ArraysDeepEqualsUnitTest { public class ArraysDeepEqualsUnitTest {
class Person { class Person {
private int id; private int id;
private String name; private String name;
private int age; private int age;
Person(int id, String name, int age) { Person(int id, String name, int age) {
this.id = id; this.id = id;
this.name = name; this.name = name;
this.age = age; this.age = age;
} }
@Override @Override
public boolean equals(Object obj) { public boolean equals(Object obj) {
if (this == obj) { if (this == obj) {
return true; return true;
} }
if (obj == null) { if (obj == null) {
return false; return false;
} }
if (!(obj instanceof Person)) if (!(obj instanceof Person))
return false; return false;
Person person = (Person) obj; Person person = (Person) obj;
return id == person.id && name.equals(person.name) && age == person.age; return id == person.id && name.equals(person.name) && age == person.age;
} }
@Override @Override
public int hashCode() { public int hashCode() {
return Objects.hash(id, name, age); return Objects.hash(id, name, age);
} }
} }
@Test @Test
void givenTwoUnidimensionalObjectTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnTrue() { void givenTwoUnidimensionalObjectTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnTrue() {
Object[] anArray = new Object[] { "string1", "string2", "string3" }; Object[] anArray = new Object[] { "string1", "string2", "string3" };
Object[] anotherArray = new Object[] { "string1", "string2", "string3" }; Object[] anotherArray = new Object[] { "string1", "string2", "string3" };
assertTrue(Arrays.equals(anArray, anotherArray)); assertTrue(Arrays.equals(anArray, anotherArray));
assertTrue(Arrays.deepEquals(anArray, anotherArray)); assertTrue(Arrays.deepEquals(anArray, anotherArray));
} }
@Test @Test
void givenTwoUnidimensionalObjectTypeArraysWithNullElements_whenUsingEqualsAndDeepEquals_thenBothShouldReturnTrue() { void givenTwoUnidimensionalObjectTypeArraysWithNullElements_whenUsingEqualsAndDeepEquals_thenBothShouldReturnTrue() {
Object[] anArray = new Object[] { "string1", null, "string3" }; Object[] anArray = new Object[] { "string1", null, "string3" };
Object[] anotherArray = new Object[] { "string1", null, "string3" }; Object[] anotherArray = new Object[] { "string1", null, "string3" };
assertTrue(Arrays.equals(anArray, anotherArray)); assertTrue(Arrays.equals(anArray, anotherArray));
assertTrue(Arrays.deepEquals(anArray, anotherArray)); assertTrue(Arrays.deepEquals(anArray, anotherArray));
} }
@Test @Test
void givenTwoUnidimensionalObjectTypeArraysWithNestedElements_whenUsingEqualsAndDeepEquals_thenShouldReturnDifferently() { void givenTwoUnidimensionalObjectTypeArraysWithNestedElements_whenUsingEqualsAndDeepEquals_thenShouldReturnDifferently() {
Object[] anArray = new Object[] { "string1", null, new String[] { "nestedString1", "nestedString2" } }; Object[] anArray = new Object[] { "string1", null, new String[] { "nestedString1", "nestedString2" } };
Object[] anotherArray = new Object[] { "string1", null, new String[] { "nestedString1", "nestedString2" } }; Object[] anotherArray = new Object[] { "string1", null, new String[] { "nestedString1", "nestedString2" } };
assertFalse(Arrays.equals(anArray, anotherArray)); assertFalse(Arrays.equals(anArray, anotherArray));
assertTrue(Arrays.deepEquals(anArray, anotherArray)); assertTrue(Arrays.deepEquals(anArray, anotherArray));
} }
@Test @Test
void givenTwoMultidimensionalPrimitiveTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnDifferently() { void givenTwoMultidimensionalPrimitiveTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnDifferently() {
int[][] anArray = { { 1, 2, 3 }, { 4, 5, 6, 9 }, { 7 } }; int[][] anArray = { { 1, 2, 3 }, { 4, 5, 6, 9 }, { 7 } };
int[][] anotherArray = { { 1, 2, 3 }, { 4, 5, 6, 9 }, { 7 } }; int[][] anotherArray = { { 1, 2, 3 }, { 4, 5, 6, 9 }, { 7 } };
assertFalse(Arrays.equals(anArray, anotherArray)); assertFalse(Arrays.equals(anArray, anotherArray));
assertTrue(Arrays.deepEquals(anArray, anotherArray)); assertTrue(Arrays.deepEquals(anArray, anotherArray));
} }
@Test @Test
void givenTwoMultidimensionalObjectTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnDifferently() { void givenTwoMultidimensionalObjectTypeArrays_whenUsingEqualsAndDeepEquals_thenBothShouldReturnDifferently() {
Person personArray1[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, Person personArray1[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
{ new Person(3, "Steve", 27), new Person(4, "Gary", 28) } }; Person personArray2[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
Person personArray2[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) },
{ new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
assertFalse(Arrays.equals(personArray1, personArray2)); assertFalse(Arrays.equals(personArray1, personArray2));
assertTrue(Arrays.deepEquals(personArray1, personArray2)); assertTrue(Arrays.deepEquals(personArray1, personArray2));
} }
@Test @Test
void givenTwoMultidimensionalObjectTypeArrays_whenUsingDeepEqualsFromObjectsAndArraysClasses_thenBothShouldReturnTrue() { void givenTwoMultidimensionalObjectTypeArrays_whenUsingDeepEqualsFromObjectsAndArraysClasses_thenBothShouldReturnTrue() {
Person personArray1[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, Person personArray1[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
{ new Person(3, "Steve", 27), new Person(4, "Gary", 28) } }; Person personArray2[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) }, { new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
Person personArray2[][] = { { new Person(1, "John", 22), new Person(2, "Mike", 23) },
{ new Person(3, "Steve", 27), new Person(4, "Gary", 28) } };
assertTrue(Objects.deepEquals(personArray1, personArray2)); assertTrue(Objects.deepEquals(personArray1, personArray2));
assertTrue(Arrays.deepEquals(personArray1, personArray2)); assertTrue(Arrays.deepEquals(personArray1, personArray2));
} }
} }

2
core-java-modules/pom.xml
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@ -31,7 +31,7 @@
<module>core-java-annotations</module> <module>core-java-annotations</module>
<module>core-java-arrays</module> <module>core-java-arrays</module>
<module>core-java-arrays-2</module> <module>core-java-arrays-2</module>
<module>core-java-arrays-3</module> <module>core-java-arrays-3</module>
<module>core-java-collections</module> <module>core-java-collections</module>
<module>core-java-collections-2</module> <module>core-java-collections-2</module>