ExceptionHandeling

castingandothers/src/main/java/com/example/Main.java

@@ -8,6 +8,30 @@ public class Main {
         SERGEANT,
         CAPTAIN
     }
+
+    static int div(int a, int b) throws ArithmeticException {
+        if(b == 0) {
+            throw new ArithmeticException("Division by Zero");
+        } else {
+            return a / b;
+        }
+    }
+
+    static class FirstException extends Exception { }
+    static class SecondException extends Exception { }
+  
+    public void rethrowException(String exceptionName) throws Exception {
+      try {
+        if (exceptionName.equals("First")) {
+          throw new FirstException();
+        } else {
+          throw new SecondException();
+        }
+      } catch (Exception e) {
+        throw e;
+      }
+    }
+
     public static void main(String[] args) {
         System.out.println("Hello world!");
 
@@ -69,5 +93,15 @@ public class Main {
         // Once you locate the package you want to use, you need to import it into your code.
 
 
+        //Exception Handeling
+        try{
+            int an = 0 / 0;
+        }catch (Exception e){
+            System.out.println("Here was an error: " + e);
+        }
+        
+        System.out.println(div(42, 0));
+        
+        //https://docs.oracle.com/javase/8/docs/technotes/guides/language/catch-multiple.html
     }
 }