pp7.81 Java Software Soution Ch7_PP8 PP 7.8 Write a Java interface called Lockable that includes the following methods: setKey, lock, unlock, and locked. The setKey, lock, and unlock methods take an integer parameter that represents the key. The setKey method establishes the key. The lock and unlock methods lock and unlock the object, but only if the key passed in is correct. The locked method returns a boolean that indicates wheth.. 2024. 5. 1. 이전 1 다음