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JAVA-14232 JAVA-19121 Move article Difference Between Class.forName() and Class.forName().newInstance() to core-java-jvm-3 module (#13604)

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This commit is contained in:
anuragkumawat
2023-03-09 14:08:37 +05:30
committed by GitHub
parent 2034813276
commit 739cbac707
4 changed files with 2 additions and 1 deletions
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2
core-java-modules/core-java/README.md
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@@ -10,4 +10,4 @@
- [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties)
- [Illegal Character Compilation Error](https://www.baeldung.com/java-illegal-character-error)
- [Lambda Expression vs. Anonymous Inner Class](https://www.baeldung.com/java-lambdas-vs-anonymous-class)
- [Difference Between Class.forName() and Class.forName().newInstance()](https://www.baeldung.com/java-class-forname-vs-class-forname-newinstance)

8
core-java-modules/core-java/src/main/java/com/baeldung/loadclass/MyClassForLoad.java
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@@ -1,8 +0,0 @@
package com.baeldung.loadclass;
public class MyClassForLoad {
private String data = "some data";
}

30
core-java-modules/core-java/src/test/java/com/baeldung/loadclass/LoadClassUnitTest.java
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@@ -1,30 +0,0 @@
package com.baeldung.loadclass;
import org.junit.jupiter.api.Test;
import java.lang.reflect.InvocationTargetException;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
public class LoadClassUnitTest {
@Test
public void whenUseClassForName_createdInstanceOfClassClass() throws ClassNotFoundException {
Class instance = Class.forName("com.baeldung.loadclass.MyClassForLoad");
assertInstanceOf(Class.class, instance, "instance should be of Class.class");
}
@Test
public void whenUseClassForNameWithNewInstance_createdInstanceOfTargetClas() throws ClassNotFoundException, InstantiationException, IllegalAccessException {
Object instance = Class.forName("com.baeldung.loadclass.MyClassForLoad").newInstance();
assertInstanceOf(MyClassForLoad.class, instance, "instance should be of MyClassForLoad class");
}
@Test
public void whenUseClassForNameWithDeclaredConstructor_newInstanceCreatedInstanceOfTargetClas() throws ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
Object instance = Class.forName("com.baeldung.loadclass.MyClassForLoad").getDeclaredConstructor().newInstance();
assertInstanceOf(MyClassForLoad.class, instance, "instance should be of MyClassForLoad class");
}
}