update exception (#200)

* update exception

* fixed Serial error on gradle

Author: realDuYuanChao

src/main/java/com/examplehub/basics/exception/ArithmeticExceptionExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class ArithmeticExceptionExample {
+}

src/main/java/com/examplehub/basics/exception/ClassCastExceptionExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class ClassCastExceptionExample {
+}

src/main/java/com/examplehub/basics/exception/CustomExceptionExample.java

@@ -0,0 +1,15 @@
+package com.examplehub.basics.exception;
+
+public class CustomExceptionExample extends Exception {
+
+//  @java.io.Serial
+  private static final long serialVersionUID = 234122876006267687L;
+
+  public CustomExceptionExample() {
+    super();
+  }
+
+  public CustomExceptionExample(String message) {
+    super(message);
+  }
+}

src/main/java/com/examplehub/basics/exception/FinallyExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class FinallyExample {
+}

src/main/java/com/examplehub/basics/exception/IndexOutOfBoundsExceptionExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class IndexOutOfBoundsExceptionExample {
+}

src/main/java/com/examplehub/basics/exception/NullPointerExceptionExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class NullPointerExceptionExample {
+}

src/main/java/com/examplehub/basics/exception/NumberFormatExceptionExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class NumberFormatExceptionExample {
+}

src/main/java/com/examplehub/basics/exception/ThrowsExceptionExample.java

@@ -0,0 +1,4 @@
+package com.examplehub.basics.exception;
+
+public class ThrowsExceptionExample {
+}

src/test/java/com/examplehub/basics/exception/ArithmeticExceptionExampleTest.java

@@ -0,0 +1,17 @@
+package com.examplehub.basics.exception;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ArithmeticExceptionExampleTest {
+  @Test
+  void testDivideByZero() {
+    try {
+      int division = 10 / 0;
+      fail();
+    } catch (ArithmeticException e) {
+      assertTrue(true);
+    }
+  }
+}

src/test/java/com/examplehub/basics/exception/ClassCastExceptionExampleTest.java

@@ -0,0 +1,20 @@
+package com.examplehub.basics.exception;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+class ClassCastExceptionExampleTest {
+  @Test
+  void testClassCast() {
+    try {
+      String[] strArray = new String[]{"John", "Snow"};
+      ArrayList<String> strList = (ArrayList<String>) Arrays.asList(strArray);
+      System.out.println("String list: " + strList);
+    } catch (ClassCastException e) {
+      assertTrue(true);
+    }
+  }
+}