// Test case for Issue 328: // https://github.com/typetools/checker-framework/issues/328 import java.util.Map; import org.checkerframework.checker.nullness.qual.*; class KeyForIssue328 { public static void m(Map<Object, Object> a, Map<Object, Object> b, Object ka, Object kb) { if (a.containsKey(ka)) { @NonNull Object i = a.get(ka); // OK } if (b.containsKey(kb)) { @NonNull Object i = b.get(kb); // OK } if (a.containsKey(ka) && b.containsKey(kb)) { @NonNull Object i = a.get(ka); // OK @NonNull Object j = b.get(kb); // OK } } }