From 78df43569a4d76bfcee65d0ff0e6b03ae8ed6e70 Mon Sep 17 00:00:00 2001
From: thzero <thzero@users.noreply.github.com>
Date: Mon, 4 Jul 2022 17:23:03 -0500
Subject: [PATCH] refactor to remove deprecation warning for newInstance

---
 core/src/net/sf/openrocket/document/Simulation.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/src/net/sf/openrocket/document/Simulation.java b/core/src/net/sf/openrocket/document/Simulation.java
index 50047e07f..3143eb83d 100644
--- a/core/src/net/sf/openrocket/document/Simulation.java
+++ b/core/src/net/sf/openrocket/document/Simulation.java
@@ -1,5 +1,6 @@
 package net.sf.openrocket.document;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.EventListener;
 import java.util.EventObject;
 import java.util.List;
@@ -350,13 +351,15 @@ public class Simulation implements ChangeSource, Cloneable {
 			SimulationEngine simulator;
 			
 			try {
-				simulator = simulationEngineClass.newInstance();
+				simulator = simulationEngineClass.getConstructor().newInstance();
 			} catch (InstantiationException e) {
 				throw new IllegalStateException("Cannot instantiate simulator.", e);
 			} catch (IllegalAccessException e) {
 				throw new IllegalStateException("Cannot access simulator instance?! BUG!", e);
+			} catch (InvocationTargetException | NoSuchMethodException e) {
+				throw new RuntimeException(e);
 			}
-			
+
 			SimulationConditions simulationConditions = options.toSimulationConditions();
 			simulationConditions.setSimulation(this);
 			for (SimulationListener l : additionalListeners) {