### Question:
AEADs { public void setOneRttAead(final AEAD oneRttAead) { this.oneRttAead.set(requireNonNull(oneRttAead)); } AEADs(final AEAD initialAead); boolean available(final EncryptionLevel level); AEAD get(final EncryptionLevel level); void unsetInitialAead(); void unsetHandshakeAead(); void setHandshakeAead(final AEAD handshakeAead); void setOneRttAead(final AEAD oneRttAead);  }### Answer:
@Test(expected = NullPointerException.class) public void setNullOneRtt() { aeads.setOneRttAead(null); }