A Look At The Seemingly Uncharted Features in Java 8 As discussed in our earlier blog, Java’s recent release Java 8 has created a lot of excitement in the IT world and specially the Java lovers.
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A Look At The Seemingly Uncharted Features in Java 8 As discussed in our earlier blog, Java’s recent release Java 8 has created a lot of excitement in the IT world and specially the Java lovers. Java 8 has attracted masses by introducing many features like Lambda Expressions, Method References, Default Methods, New Stream API, New Date / Time API and Nashorn. With more time being given to explore Java 8, there are certain other APIs / features which are not being highlighted but are very much a part of Java 8 and are responsible to make Java 8 a likeable and scalable product.
Let us have a look at those interesting features:
Concurrent Adders Java 8 has come up with an innovative feature called ‘Concurrent Adders’, in which you can read / write the value of a numeric counter in efficient ways for code running at scale. Java’s LongAdders comprises of a flexible method for reading and writing numeric values at scale, by adding a new LongAdder and use add() and intValue() methods to enhance the counter. In this case, whenever a CAS fails, the LongAdder stocks up the delta in an cell object marked for that thread and then adds this value to the final intValue() result. This is a preferred option and is being well liked by the Java community.
Accurate Numeric Operations
In situations where a chaos is created due to numeric overflows due to the intValue() increasing overtime, Java 8 has come up with many novel ‘Exact’ methods introduced in the Match class which aim towards code protection from overflows. It helps by throwing an ArithmeticExpression at the time of overflow of the operational value.
A secure way to Random Generation Till now, the selection of the Random Number generation was dependent upon the developers, which lead to lack of security in the framework and increased chances of hacking of sensitive information. To tighten this gap, Java 8 has introduced a new method called SecureRandom.getInstanceStrong(), which allows the JVM choose the secure provider for you.
Stamped Locks Here comes a ReadWrite lock called StampedLock, with Java 8. It is proving to be quite fast in action and it issues a stamp which is returned by each locking operation, every time as an entry ticket.
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