Q49 Consider the following statements regarding Custom (User-Defined) Exceptions in Java: Q50 Consider the following statements regarding thread creation via the Thread class and the Runnable interface: Q51 Consider the following statements regarding the Thread Lifecycle in Java: Q52 Consider the following statements regarding the start() and run() methods: Q53 Consider the following statements regarding the sleep() and wait() mechanisms: Q54 Consider the following statements regarding Thread Synchronization and Intrinsic Locks: Q55 Consider the following statements regarding the volatile keyword in Java multithreading: Q56 Consider the following statements regarding Daemon threads and User threads: Q57 Consider the following statements regarding the Thread join() method: Q58 Consider the following statements regarding the Java Collections Framework hierarchy: Q59 Consider the following statements regarding ArrayList and LinkedList: Q60 Consider the following statements regarding HashSet and TreeSet: Q61 Consider the following statements regarding the internal architecture of HashMap: Q62 Consider the following statements regarding Iterator and ListIterator: Q63 Consider the following statements regarding standard Functional Interfaces (java.util.function): Q64 Consider the following statements regarding Method References in Java: