Migrate Java code to separate QL repo.

java/ql/test/query-tests/dead-code/DeadMethod/ReflectionTest.java

@@ -0,0 +1,41 @@
+public class ReflectionTest {
+	public static class TestObject1 {
+		public TestObject1() { }
+	}
+
+	public static class TestObject2 {
+		public TestObject2() { }
+	}
+
+	public static class TestObject3 {
+		public TestObject3() { }
+	}
+
+	public static class TestObject4 {
+		public TestObject4() { }
+	}
+
+	public static class TestObject4a extends TestObject4 {
+		public TestObject4a() { }
+	}
+
+	public static void main(String[] args) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
+		// Get class by name
+		Class.forName("ReflectionTest$TestObject1").newInstance();
+		// Use classloader
+		ReflectionTest.class.getClassLoader().loadClass("ReflectionTest$TestObject2").newInstance();
+		// Store in variable, load from that
+		Class<?> clazz = Class.forName("ReflectionTest$TestObject3");
+		clazz.newInstance();
+		/*
+		 * We cannot determine the class by looking at a String literal, so we should look to the
+		 * type - in this case Class<? extends TestObject4>. We should therefore identify both
+		 * TestObject4 and TestObject4a as live.
+		 */
+		getClass4().newInstance();
+	}
+
+	public static Class<? extends TestObject4> getClass4() {
+		return TestObject4.class;
+	}
+}