JAVA-24938 Article Code Matches first commit (#14820)

core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/throwvsthrows/Main.java

@@ -20,8 +20,9 @@ public class Main {
             System.out.println("General exception");
         }
 
-        checkedException();
+        checkedExceptionWithTryCatch();
         checkedExceptionWithThrows();
+        divideByZero();
     }
 
     private static void checkedExceptionWithThrows() throws FileNotFoundException {
@@ -29,7 +30,7 @@ public class Main {
         FileInputStream stream = new FileInputStream(file);
     }
 
-    private static void checkedException() {
+    private static void checkedExceptionWithTryCatch() {
         File file = new File("not_existing_file.txt");
         try {
             FileInputStream stream = new FileInputStream(file);
@@ -37,5 +38,11 @@ public class Main {
             e.printStackTrace();
         }
     }
+    
+    private static void divideByZero() {
+        int numerator = 1;
+        int denominator = 0;
+        int result = numerator / denominator;
+    }
 
 }

core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/throwvsthrows/NullOrEmptyException.java

@@ -0,0 +1,8 @@
+package com.baeldung.exceptions.throwvsthrows;
+
+public class NullOrEmptyException  extends RuntimeException {
+    
+    public NullOrEmptyException(String errorMessage) {
+        super(errorMessage);
+    }
+}