dinesh Archive
What is Big Data? Lots of Data (Terabytes or Petabytes) Big Data is the term for a collection of data sets so large and complex that it becomes difficult to process using on-hand database management …
1.When is the earliest point at which the reduce method of a given Reducer can be called? A. As soon as at least one mapper has finished processing its input split. B. As soon as …
In this tutorial, it shows the use of java.lang.Comparable and java.util.Comparator to sort a Java object based on its property value. Java provides some inbuilt methods to sort primitive types array or Wrapper classes array …
Serialization in java is a mechanism of writing the state of an object into a byte stream. What is Serialization? – Serializable is a marker interface. When an object has to be transferred over a …
The object cloning is a way to create exact copy of an object. For this purpose, clone() method of Object class is used to clone an object. The java.lang.Cloneable interface must be implemented by the …
Immutable class is a class which once created, it’s contents can not be changed. Immutable objects are the objects whose state can not be changed once constructed. e.g. String class An immutable class is one …
“I think we’re having fun. I think our customers really like our products. And we’re always trying to do better.” – Steve Jobs 1. Steve Jobs said: Innovation distinguishes between a leader and a …
