cars3)); // Output: false
cars4)); // Output: false
cars5)); // Output: false
same number of equal elements.
3. Createa Die applicationthatuses Random tosimulatetheroleofa die (a
single dice). Output the value.
Java 5 introduced the concurrency utilities to simplify the development of concurrent
applications. The concurrency utilities are organized into executor, synchronizer, con-
the low-level Threading API in their implementations.
An executor decouples task submission from task-execution mechanics and is de-
scribedbythe Executor , ExecutorService ,and ScheduledExecutorSer-
vice interfaces. A synchronizer facilitates common forms of synchronization: count-
A concurrent collection is an extension to the Collections Framework. A lock sup-
ports high-level locking and can associate with conditions in a manner that is distinct
from built-in synchronization and monitors. An atomic variable encapsulates a single
variable, and supports lock-free, thread-safe operations on that variable.
Java 7's new ThreadLocalRandom class describes a random number generator
tiple processors and/or processor cores.
The new Objects class consists of class methods for operating on objects. These
for an object.
The Math class's random() methodisimplementedintermsofthe Random class,
whose instances are known as random number generators. Random generates a se-
quence of random numbers by starting with a special 48-bit seed. This value is subse-