diff --git a/test/SystemMethods/SystemMethods.java b/test/SystemMethods/SystemMethods.java
index 429755f..708a053 100644
--- a/test/SystemMethods/SystemMethods.java
+++ b/test/SystemMethods/SystemMethods.java
@@ -14,6 +14,9 @@
  * limitations under the License.
  */
 
+import java.lang.reflect.*;
+import java.util.*;
+
 class SystemMethods {
   public static int test0() {
     System.logI("hello world");
@@ -84,11 +87,14 @@
     return 123;
   }
 
-  private static int i = 4;
-  private static long j = 0x0123456789abcdefL;
-
-  private static float f = 3.14f;
+  private static boolean z = true;
+  private static byte b = 8;
+  private static char c = 'x';
   private static double d = Math.PI;
+  private static float f = 3.14f;
+  private static int i = 32;
+  private static long j = 0x0123456789abcdefL;
+  private static short s = 16;
 
   public static int test4() {
     String s = "int=" + i + " long=" + j;
@@ -119,7 +125,246 @@
     return 123;
   }
 
+  public static void test6() throws Exception {
+    java.lang.reflect.Field f;
+
+    f = SystemMethods.class.getDeclaredField("z");
+    System.out.println(f.getBoolean(null));
+    f = SystemMethods.class.getDeclaredField("b");
+    System.out.println(f.getByte(null));
+    f = SystemMethods.class.getDeclaredField("c");
+    System.out.println(f.getChar(null));
+    f = SystemMethods.class.getDeclaredField("d");
+    System.out.println(f.getDouble(null));
+    f = SystemMethods.class.getDeclaredField("f");
+    System.out.println(f.getFloat(null));
+    f = SystemMethods.class.getDeclaredField("i");
+    System.out.println(f.getInt(null));
+    f = SystemMethods.class.getDeclaredField("j");
+    System.out.println(f.getLong(null));
+    f = SystemMethods.class.getDeclaredField("s");
+    System.out.println(f.getShort(null));
+
+    f = SystemMethods.class.getDeclaredField("z");
+    f.setBoolean(null, false);
+    f = SystemMethods.class.getDeclaredField("b");
+    f.setByte(null, (byte) 7);
+    f = SystemMethods.class.getDeclaredField("c");
+    f.setChar(null, 'y');
+    f = SystemMethods.class.getDeclaredField("d");
+    f.setDouble(null, 2.7);
+    f = SystemMethods.class.getDeclaredField("f");
+    f.setFloat(null, 2.7f);
+    f = SystemMethods.class.getDeclaredField("i");
+    f.setInt(null, 31);
+    f = SystemMethods.class.getDeclaredField("j");
+    f.setLong(null, 63);
+    f = SystemMethods.class.getDeclaredField("s");
+    f.setShort(null, (short) 15);
+
+    f = SystemMethods.class.getDeclaredField("z");
+    System.out.println(f.getBoolean(null));
+    f = SystemMethods.class.getDeclaredField("b");
+    System.out.println(f.getByte(null));
+    f = SystemMethods.class.getDeclaredField("c");
+    System.out.println(f.getChar(null));
+    f = SystemMethods.class.getDeclaredField("d");
+    System.out.println(f.getDouble(null));
+    f = SystemMethods.class.getDeclaredField("f");
+    System.out.println(f.getFloat(null));
+    f = SystemMethods.class.getDeclaredField("i");
+    System.out.println(f.getInt(null));
+    f = SystemMethods.class.getDeclaredField("j");
+    System.out.println(f.getLong(null));
+    f = SystemMethods.class.getDeclaredField("s");
+    System.out.println(f.getShort(null));
+
+    f = SystemMethods.class.getDeclaredField("z");
+    f.set(null, Boolean.valueOf(true));
+    f = SystemMethods.class.getDeclaredField("b");
+    f.set(null, Byte.valueOf((byte) 6));
+    f = SystemMethods.class.getDeclaredField("c");
+    f.set(null, Character.valueOf('z'));
+    f = SystemMethods.class.getDeclaredField("d");
+    f.set(null, Double.valueOf(1.3));
+    f = SystemMethods.class.getDeclaredField("f");
+    f.set(null, Float.valueOf(1.3f));
+    f = SystemMethods.class.getDeclaredField("i");
+    f.set(null, Integer.valueOf(30));
+    f = SystemMethods.class.getDeclaredField("j");
+    f.set(null, Long.valueOf(62));
+    f.set(null, Integer.valueOf(62));
+    f = SystemMethods.class.getDeclaredField("s");
+    f.set(null, Short.valueOf((short) 14));
+
+    f = SystemMethods.class.getDeclaredField("z");
+    System.out.println(f.getBoolean(null));
+    f = SystemMethods.class.getDeclaredField("b");
+    System.out.println(f.getByte(null));
+    f = SystemMethods.class.getDeclaredField("c");
+    System.out.println(f.getChar(null));
+    f = SystemMethods.class.getDeclaredField("d");
+    System.out.println(f.getDouble(null));
+    f = SystemMethods.class.getDeclaredField("f");
+    System.out.println(f.getFloat(null));
+    f = SystemMethods.class.getDeclaredField("i");
+    System.out.println(f.getInt(null));
+    f = SystemMethods.class.getDeclaredField("j");
+    System.out.println(f.getLong(null));
+    f = SystemMethods.class.getDeclaredField("s");
+    System.out.println(f.getShort(null));
+
+    try {
+      f = SystemMethods.class.getDeclaredField("s");
+      f.set(null, Integer.valueOf(14));
+    } catch (Exception ex) {
+      ex.printStackTrace();
+    }
+
+    f = SystemMethods.class.getDeclaredField("z");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("b");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("c");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("d");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("f");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("i");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("j");
+    show(f.get(null));
+    f = SystemMethods.class.getDeclaredField("s");
+    show(f.get(null));
+
+    /*
+    private static boolean z = true;
+    private static byte b = 8;
+    private static char c = 'x';
+    private static double d = Math.PI;
+    private static float f = 3.14f;
+    private static int i = 32;
+    private static long j = 0x0123456789abcdefL;
+    private static short s = 16;
+    */
+  }
+
+  private static void show(Object o) {
+    System.out.println(o + " (" + (o != null ? o.getClass() : "null") + ")");
+  }
+
+  public static void test7() throws Exception {
+    System.out.println(Arrays.toString(String.class.getDeclaredConstructors()));
+    System.out.println(Arrays.toString(String.class.getDeclaredFields()));
+    System.out.println(Arrays.toString(String.class.getDeclaredMethods()));
+
+    System.out.println(Arrays.toString(SystemMethods.class.getInterfaces()));
+    System.out.println(Arrays.toString(String.class.getInterfaces()));
+
+//    System.out.println(SystemMethods.class.getModifiers());
+//    System.out.println(String.class.getModifiers());
+
+    System.out.println(String.class.isAssignableFrom(Object.class));
+    System.out.println(Object.class.isAssignableFrom(String.class));
+
+    System.out.println(String.class.isInstance("hello"));
+    System.out.println(String.class.isInstance(123));
+
+    java.lang.reflect.Method m;
+
+    m = SystemMethods.class.getDeclaredMethod("IV", int.class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, 4444));
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+
+    m = SystemMethods.class.getDeclaredMethod("IIV", int.class, int.class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, 1111, 2222));
+
+    m = SystemMethods.class.getDeclaredMethod("III", int.class, int.class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, 1111, 2222));
+
+    m = SystemMethods.class.getDeclaredMethod("sumArray", int[].class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, new int[] { 1, 2, 3, 4 }));
+
+    m = SystemMethods.class.getDeclaredMethod("concat", String[].class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, (Object) new String[] { "h", "e", "l", "l", "o" }));
+
+    m = SystemMethods.class.getDeclaredMethod("ZBCDFIJSV", boolean.class, byte.class, char.class, double.class, float.class, int.class, long.class, short.class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, true, (byte) 0, '1', 2, 3, 4, 5, (short) 6));
+
+    m = SystemMethods.class.getDeclaredMethod("ZBCDLFIJSV", boolean.class, byte.class, char.class, double.class, String.class, float.class, int.class, long.class, short.class);
+    System.out.println(Arrays.toString(m.getParameterTypes()));
+    show(m.invoke(null, true, (byte) 0, '1', 2, "hello world", 3, 4, 5, (short) 6));
+
+    try {
+      m = SystemMethods.class.getDeclaredMethod("thrower");
+      System.out.println(Arrays.toString(m.getParameterTypes()));
+      show(m.invoke(null));
+      System.out.println("************* should have thrown!");
+    } catch (Exception ex) {
+      ex.printStackTrace();
+    }
+  }
+
+  private static void thrower() {
+    throw new ArithmeticException("surprise!");
+  }
+
+  public static int sumArray(int[] xs) {
+    int result = 0;
+    for (int x : xs) {
+      result += x;
+    }
+    return result;
+  }
+
+  public static String concat(String[] strings) {
+    String result = "";
+    for (String s : strings) {
+      result += s;
+    }
+    return result;
+  }
+
+  public static void IV(int i) {
+    System.out.println(i);
+  }
+
+  public static void IIV(int i, int j) {
+    System.out.println(i + " " + j);
+  }
+
+  public static int III(int i, int j) {
+    System.out.println(i + " " + j);
+    return i + j;
+  }
+
+  public static void ZBCDFIJSV(boolean z, byte b, char c, double d, float f, int i, long l, short s) {
+    System.out.println(z + " " + b + " " + c + " " + d + " " + f + " " + i + " " + l + " " + s);
+  }
+
+  public static void ZBCDLFIJSV(boolean z, byte b, char c, double d, String string, float f, int i, long l, short s) {
+    System.out.println(z + " " + b + " " + c + " " + d + " " + " " + string + " " + f + " " + i + " " + l + " " + s);
+  }
+
+  public static void test8() throws Exception {
+    Constructor<?> ctor;
+
+    ctor = String.class.getConstructor(new Class[0]);
+    show(ctor.newInstance((Object[]) null));
+
+    ctor = String.class.getConstructor(char[].class, int.class, int.class);
+    show(ctor.newInstance(new char[] { 'x', 'y', 'z', '!' }, 1, 2));
+  }
+
   public static void main(String[] args) throws Exception {
-    test5();
+    test7();
+    test8();
   }
 }