Make System.out.println work

resources/bytecode/javFiles/HelloWorld.jav

@@ -0,0 +1,9 @@
+import java.lang.System;
+import java.lang.String;
+import java.io.PrintStream;
+
+public class HelloWorld {
+    static hello() {
+        System.out.println("Hello World!");
+    }
+}

src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java

@@ -119,6 +119,10 @@ public class JavaTXCompiler {
 				if (clazz.getClassName().equals(name)) return clazz;
 			}
 		}
+		try {
+			var clazz = classLoader.loadClass(name.toString());
+			return ASTFactory.createClass(clazz);
+		} catch (ClassNotFoundException ignored) {}
 		return null;
 	}
 

src/test/java/TestComplete.java

@@ -754,4 +754,12 @@ public class TestComplete {
         var m = clazz.getDeclaredMethod("m");
         assertEquals(m.invoke(instance), 5);
     }
+
+    @Test
+    public void testHelloWorld() throws Exception {
+        var classFiles = generateClassFiles(new ByteArrayClassLoader(), "HelloWorld.jav");
+        var clazz = classFiles.get("HelloWorld");
+        var hello = clazz.getDeclaredMethod("hello");
+        hello.invoke(null);
+    }
 }