Migrate Java code to separate QL repo.

java/ql/src/DeadCode/DeadMethod.java

@@ -0,0 +1,23 @@
+public static void main(String[] args) {
+	// Only call the live method
+	liveMethod();
+}
+
+/** This method is live because it is called by main(..) */
+public static void liveMethod() {
+	otherLiveMethod()
+}
+
+/** This method is live because it is called by a live method */
+public static void otherLiveMethod() {
+}
+
+
+/** This method is dead because it is never called */
+public static void deadMethod() {
+	otherDeadMethod();
+}
+
+/** This method is dead because it is only called by dead methods */
+public static void otherDeadMethod() {
+}