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Karthikeya Boyini has Published 2383 Articles
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karthikeya Boyini
1K+ Views
These are the paid versions of the huge databases designed uniquely for the users who want to access the information for help. These databases are subject specific, and one cannot afford to maintain such a huge information. Access to such databases is provided through commercial links.
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karthikeya Boyini
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Now a day, data has been specifically getting stored over clouds also known as a virtual environment, either in a hybrid cloud, public or private cloud. A cloud database is a database that has been optimized or built for such a virtualized environment. There are various benefits of a cloud ... Read More
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karthikeya Boyini
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The graph is a collection of nodes and edges where each node is used to represent an entity and each edge describes the relationship between entities. A graph-oriented database, or graph database, is a type of NoSQL database that uses graph theory to store, map and query relationships.Graph databases are ... Read More
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karthikeya Boyini
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Unlike C, C++, Java does not allow static local variables. The compiler will throw the compilation error.ExampleCreate a java class named Tester.Tester.javaLive Demopublic class Tester { public static void main(String args[]) { static int a = 10; } }OutputCompile and Run the file to verify ... Read More
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karthikeya Boyini
2K+ Views
We can convert a stream to set using the following ways.Using stream.collect() with Collectors.toSet() method - Stream collect() method iterates its elements and stores them in a collection.collect(Collector.toSet()) method.Using set.add() method - Iterate stream using forEach and then add each element to the set.ExampleLive Demoimport java.util.*; import java.util.stream.Stream; import java.util.stream.Collectors; ... Read More
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karthikeya Boyini
192 Views
In case of having the operation of integer values in Java, we need to be aware of int underflow and overflow conditions. Considering the fact that in Java, The int data type is a 32-bit signed two's complement integer having a minimum value of -2, 147, 483, 648 and a ... Read More
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karthikeya Boyini
14K+ Views
The java.lang.Enum class is the common base class of all Java language enumeration types.Class DeclarationFollowing is the declaration for java.lang.Enum class -public abstract class Enum extends Object implements Comparable, SerializableWe can compare enum variables using the following ways.Using Enum.compareTo() method. compareTo() method compares this enum with ... Read More
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karthikeya Boyini
569 Views
If we compare a float and a double value with .5 or .0 or .1235 (ending with 5 or 0), then == operator returns true, otherwise it will return false. See the below example.ExampleLive Demopublic class Tester { public static void main(String[] args) { double d1 ... Read More