Acumen Software Placement Papers
1 Q Why threads block or enters to waiting state on I/O?A Threads enters to waiting state or block on I/O because other threads can execute while the I/O operations are performed.2 Q What are transient variables in java?A Transient variables are variable that cannot be serialized.3 Q How Observer and Observable are used?A Subclass of Observable class maintain a list of observers. Whenever an Observable object is updated, it invokes the update() method of each of its observers to notify the observers that it has a changed state. An observer is any object that implements the interface Observer.4 Q What is synchronizationA Synchronization is the ability to control the access of multiple threads...