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I write posts on Java, Concurrency, Design patterns, Spring Boot, React and anything that I learn on technology.

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Java 8 - Lambda expressions

23 Jan, 2017

Java 8 reincarnated SAM interfaces and termed them Functional interfaces. Functional interfaces have single abstract method and are eligible to be represented with Lambda expression.

Tags:

java.util.function package, Functional Interfaces, Java 8 @FunctionalInterface annotation, Java, Java 8

Comparing Apache Avro vs Java Serialization

20 Jan, 2017

I did run a comparsion of Apache Avro v/s Java Serialization. Apache Avro consumed 15-20 times less memory to store the serialized data. I created a class with three fields (two String and one enum and serialized them with Avro and Java.

Tags:

Apache AVRO, Apache AVRO serialization, Apache AVRO deserialization, Java Serialization, Java Deserialization, Apache Avro vs Java Serialization, Java

Apache AVRO - Serialization and Deserialization

14 Jan, 2017

Apache Avro is a data serialization system. It support two formats; JSON and Binary.

Tags:

Apache AVRO, Apache AVRO serialization, Apache AVRO deserialization, Apache AVRO DatumReader, Apache AVRO DatumWriter, Apache AVRO SpecificDatumReader, Apache AVRO SpecificDatumWriter, AVRO schema

Java 8 - Iterating collections and maps with "forEach", Consumer and BiConsumer

11 Jan, 2017

Java 8 introduced new way of iterating Collections API. It is retrofitted to support forEach method which accepts Consumer in case of Collection and BiConsumer in case of Map.

Tags:

java.util.function package, Java 8 features, Java 8 Consumer example, Java 8 BiConsumer example, Java 8 forEach example, Java, Java 8

Java 8 - Newly introduced java.util.function package

09 Jan, 2017

Object cloning is the process of creating exact copy of the given object. There are two pre-requisite in java; 1) implement Cloneable interface and 2) override the clone() method defined in the java.lang.Object class.

Tags:

java.util.function package, BiConsumer in Java 8, Consumer in Java 8, Function in Java 8, Predicate in Java 8, Supplier in Java 8, Java, Java 8

Java 8 - Filtering with predicates

09 Jan, 2017

Object cloning is the process of creating exact copy of the given object. There are two pre-requisite in java; 1) implement Cloneable interface and 2) override the clone() method defined in the java.lang.Object class.

Tags:

java.util.function package, BiConsumer in Java 8, Consumer in Java 8, Function in Java 8, Predicate in Java 8, Supplier in Java 8, Java, Java 8