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pom

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This commit is contained in:
Michael Olayemi
2022-12-12 16:47:04 +00:00
parent 7dd02df1ae
commit c5075e6ba7
15 changed files with 327 additions and 59 deletions
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4
core-java-modules/core-java-16/pom.xml
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@@ -1,7 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
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">
<project xmlns="http://maven.apache.org/POM/4.0.0" 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">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java-16</artifactId>
<version>0.1.0-SNAPSHOT</version>

19
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/enumallt/DinosaurEnum.java Normal file
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@@ -0,0 +1,19 @@
package com.baeldung.instanceofalternative.enumallt;
public enum DinosaurEnum {
Anatotitan {
@Override
public String move() {
return "running";
}
},
Euraptor {
@Override
public String move() {
return "flying";
}
};
public abstract String move();
}

15
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/model/Anatotitan.java Normal file
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@@ -0,0 +1,15 @@
package com.baeldung.instanceofalternative.model;
public class Anatotitan extends Dinosaur {
// polymorphism
@Override
public String move() {
return "running";
}
// non-polymorphism
public String run() {
return "running";
}
}

9
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/model/Dinosaur.java Normal file
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@@ -0,0 +1,9 @@
package com.baeldung.instanceofalternative.model;
public class Dinosaur {
public String move() {
return "default movement";
}
}

15
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/model/Euraptor.java Normal file
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@@ -0,0 +1,15 @@
package com.baeldung.instanceofalternative.model;
public class Euraptor extends Dinosaur {
// polymorphism
@Override
public String move() {
return "flying";
}
// non-polymorphism
public String flies() {
return "flying";
}
}

14
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/visitorspattern/Anatotitan.java Normal file
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@@ -0,0 +1,14 @@
package com.baeldung.instanceofalternative.visitorspattern;
public class Anatotitan implements Dino {
String run() {
return "running";
}
@Override
public String move(Visitor dinobehave) {
return dinobehave.visit(this);
}
}

7
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/visitorspattern/Dino.java Normal file
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@@ -0,0 +1,7 @@
package com.baeldung.instanceofalternative.visitorspattern;
public interface Dino {
String move(Visitor dinoMove);
}

15
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/visitorspattern/DinoVisitorImpl.java Normal file
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@@ -0,0 +1,15 @@
package com.baeldung.instanceofalternative.visitorspattern;
public class DinoVisitorImpl implements Visitor {
@Override
public String visit(Anatotitan anatotitan) {
return anatotitan.run();
}
@Override
public String visit(Euraptor euraptor) {
return euraptor.flies();
}
}

14
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/visitorspattern/Euraptor.java Normal file
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@@ -0,0 +1,14 @@
package com.baeldung.instanceofalternative.visitorspattern;
public class Euraptor implements Dino {
String flies() {
return "flying";
}
@Override
public String move(Visitor dinobehave) {
return dinobehave.visit(this);
}
}

9
core-java-modules/core-java-16/src/main/java/com/baeldung/instanceofalternative/visitorspattern/Visitor.java Normal file
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@@ -0,0 +1,9 @@
package com.baeldung.instanceofalternative.visitorspattern;
public interface Visitor {
String visit(Anatotitan anatotitan);
String visit(Euraptor euraptor);
}

26
core-java-modules/core-java-16/src/test/java/com/baeldung/instanceoftest/EnumUnitTest.java Normal file
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@@ -0,0 +1,26 @@
package com.baeldung.instanceoftest;
import static org.junit.Assert.*;
import org.junit.Test;
import com.baeldung.instanceofalternative.enumallt.*;
public class EnumUnitTest {
@Test
public void givenADinosaurSpecie_whenUsingEnum_thenGetMovementOfEuraptor() {
assertEquals("flying", moveDinosaurUsingEnum(DinosaurEnum.Euraptor));
}
@Test
public void givenADinosaurSpecie_whenUsingEnum_thenGetMovementOfAnatotitan() {
assertEquals("running", moveDinosaurUsingEnum(DinosaurEnum.Anatotitan));
}
public static String moveDinosaurUsingEnum(DinosaurEnum dinosaurenum) {
return dinosaurenum.move();
}
}

35
core-java-modules/core-java-16/src/test/java/com/baeldung/instanceoftest/ExampleSetupUnitTest.java Normal file
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package com.baeldung.instanceoftest;
import static org.junit.Assert.*;
import org.junit.Test;
import com.baeldung.instanceofalternative.model.*;
public class ExampleSetupUnitTest {
@Test
public void givenADinosaurSpecie_whenUsingInstancof_thenGetMovementOfAnatotitan() {
assertEquals("running", moveDinosaurUsingInstanceof(new Anatotitan()));
}
@Test
public void givenADinosaurSpecie_whenUsingInstanceof_thenGetMovementOfEuraptor() {
assertEquals("flying", moveDinosaurUsingInstanceof(new Euraptor()));
}
public static String moveDinosaurUsingInstanceof(Dinosaur dinosaur) {
if (dinosaur instanceof Anatotitan) {
Anatotitan anatotitan = (Anatotitan) dinosaur;
return anatotitan.run();
} else if (dinosaur instanceof Euraptor) {
Euraptor euraptor = (Euraptor) dinosaur;
return euraptor.flies();
}
return "";
}
}

36
core-java-modules/core-java-16/src/test/java/com/baeldung/instanceoftest/GetClassUnitTest.java Normal file
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@@ -0,0 +1,36 @@
package com.baeldung.instanceoftest;
import static org.junit.Assert.*;
import org.junit.Test;
import com.baeldung.instanceofalternative.model.*;
public class GetClassUnitTest {
@Test
public void givenADinosaurSpecie_whenUsingGetClass_thenGetMovementOfAnatotitan() {
assertEquals("running", moveDinosaurUsingGetClass(new Anatotitan()));
}
@Test
public void givenADinosaurSpecie_whenUsingGetClass_thenGetMovementOfEuraptor() {
assertEquals("flying", moveDinosaurUsingGetClass(new Euraptor()));
}
public static String moveDinosaurUsingGetClass(Dinosaur dinosaur) {
if (dinosaur.getClass()
.equals(Anatotitan.class)) {
Anatotitan anatotitan = (Anatotitan) dinosaur;
return anatotitan.run();
} else if (dinosaur.getClass()
.equals(Euraptor.class)) {
Euraptor euraptor = (Euraptor) dinosaur;
return euraptor.flies();
}
return "";
}
}

27
core-java-modules/core-java-16/src/test/java/com/baeldung/instanceoftest/PolymorphismUnitTest.java Normal file
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@@ -0,0 +1,27 @@
package com.baeldung.instanceoftest;
import static org.junit.Assert.*;
import org.junit.BeforeClass;
import org.junit.Test;
import com.baeldung.instanceofalternative.model.*;
public class PolymorphismUnitTest {
@Test
public void givenADinosaurSpecie_whenUsingPolymorphism_thenGetMovementOfAnatotitan() {
assertEquals("running", moveDinosaurUsingPolymorphism(new Anatotitan()));
}
@Test
public void givenADinosaurSpecie_whenUsingPolymorphism_thenGetMovementOfEuraptor() {
assertEquals("flying", moveDinosaurUsingPolymorphism(new Euraptor()));
}
public static String moveDinosaurUsingPolymorphism(Dinosaur dinosaur) {
return dinosaur.move();
}
}

29
core-java-modules/core-java-16/src/test/java/com/baeldung/instanceoftest/VisitorsPatternUnitTest.java Normal file
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@@ -0,0 +1,29 @@
package com.baeldung.instanceoftest;
import static org.junit.Assert.*;
import org.junit.Test;
import com.baeldung.instanceofalternative.visitorspattern.*;
public class VisitorsPatternUnitTest {
@Test
public void givenADinosaurSpecie_whenUsingVisitorPattern_thenGetMovementOfAnatotitan() {
assertEquals("running", moveDinosaurUsingVisitorPattern((Dino) new Anatotitan()));
}
@Test
public void givenADinosaurSpecie_whenUsingVisitorPattern_thenGetMovementOfEuraptor() {
assertEquals("flying", moveDinosaurUsingVisitorPattern((Dino) new Euraptor()));
}
public static String moveDinosaurUsingVisitorPattern(Dino dinosaur) {
Visitor visitor = new DinoVisitorImpl();
return dinosaur.move(visitor);
}
}