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Merge branch 'master' into BAEL-4300

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This commit is contained in:
rpvilao
2020-07-10 09:51:15 +01:00
committed by GitHub
parent 4c9cac984d a326785269
commit 944725473e
2918 changed files with 18600 additions and 548515 deletions
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5
core-java-modules/core-java-lang-3/src/main/java/com/baeldung/isinstancevsisassignablefrom/IsoscelesTriangle.java Normal file
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package com.baeldung.isinstancevsisassignablefrom;
public class IsoscelesTriangle extends Triangle {
}

5
core-java-modules/core-java-lang-3/src/main/java/com/baeldung/isinstancevsisassignablefrom/Shape.java Normal file
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package com.baeldung.isinstancevsisassignablefrom;
public interface Shape {
}

5
core-java-modules/core-java-lang-3/src/main/java/com/baeldung/isinstancevsisassignablefrom/Triangle.java Normal file
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package com.baeldung.isinstancevsisassignablefrom;
public class Triangle implements Shape {
}

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core-java-modules/core-java-lang-3/src/test/java/com/baeldung/isinstancevsisassignablefrom/IsInstanceIsAssignableFromUnitTest.java Normal file
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package com.baeldung.isinstancevsisassignablefrom;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class IsInstanceIsAssignableFromUnitTest {
@Test
public void whenUsingIsInstanceProperly_desiredResultsHappen() {
Shape shape = new Triangle();
Triangle triangle = new Triangle();
IsoscelesTriangle isoscelesTriangle = new IsoscelesTriangle();
Triangle isoscelesTriangle2 = new IsoscelesTriangle();
Shape nonspecificShape = null;
assertTrue(Shape.class.isInstance(shape));
assertTrue(Shape.class.isInstance(triangle));
assertTrue(Shape.class.isInstance(isoscelesTriangle));
assertTrue(Shape.class.isInstance(isoscelesTriangle2));
assertFalse(Shape.class.isInstance(nonspecificShape));
assertTrue(Triangle.class.isInstance(shape));
assertTrue(Triangle.class.isInstance(triangle));
assertTrue(Triangle.class.isInstance(isoscelesTriangle));
assertTrue(Triangle.class.isInstance(isoscelesTriangle2));
assertFalse(IsoscelesTriangle.class.isInstance(shape));
assertFalse(IsoscelesTriangle.class.isInstance(triangle));
assertTrue(IsoscelesTriangle.class.isInstance(isoscelesTriangle));
assertTrue(IsoscelesTriangle.class.isInstance(isoscelesTriangle2));
}
@Test
public void whenUsingIsAssignableFromProperly_desiredResultsHappen() {
Shape shape = new Triangle();
Triangle triangle = new Triangle();
IsoscelesTriangle isoscelesTriangle = new IsoscelesTriangle();
Triangle isoscelesTriangle2 = new IsoscelesTriangle();
assertFalse(shape.getClass().isAssignableFrom(Shape.class));
assertTrue(shape.getClass().isAssignableFrom(shape.getClass()));
assertTrue(shape.getClass().isAssignableFrom(triangle.getClass()));
assertTrue(shape.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
assertTrue(shape.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
assertFalse(triangle.getClass().isAssignableFrom(Shape.class));
assertTrue(triangle.getClass().isAssignableFrom(shape.getClass()));
assertTrue(triangle.getClass().isAssignableFrom(triangle.getClass()));
assertTrue(triangle.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
assertTrue(triangle.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
assertFalse(isoscelesTriangle.getClass().isAssignableFrom(Shape.class));
assertFalse(isoscelesTriangle.getClass().isAssignableFrom(shape.getClass()));
assertFalse(isoscelesTriangle.getClass().isAssignableFrom(triangle.getClass()));
assertTrue(isoscelesTriangle.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
assertTrue(isoscelesTriangle.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
assertFalse(isoscelesTriangle2.getClass().isAssignableFrom(Shape.class));
assertFalse(isoscelesTriangle2.getClass().isAssignableFrom(shape.getClass()));
assertFalse(isoscelesTriangle2.getClass().isAssignableFrom(triangle.getClass()));
assertTrue(isoscelesTriangle2.getClass().isAssignableFrom(isoscelesTriangle.getClass()));
assertTrue(isoscelesTriangle2.getClass().isAssignableFrom(isoscelesTriangle2.getClass()));
}
}