Table of Contents1. Overview2. Development Environment3. Steps To Debug Code locally3.1 Add hadoop-mapreduce-client-jobclient maven dependency3.2 Set local file system3.2 Set Number of mappers and reducers4. Example4.1 pom.xml4.2 MultipleOutpusDebugDriver.java4.3 MultipleOutpusMapper.java5. Build & Debug6….
Table of Contents1. Overview2. Development Environment3. MultipleOutputs4. Sample Input 5. Example5.1 pom.xml5.2 MultipleOutputsDriver5.3 MultipleOutputsMapper6. Steps To Run6.1 Build & Prepare Jar6.2 Copy Data to HDFS6.3 Run7. Output8. References9. Source Code 1. Overview…
Table of Contents1. Overview2. Development environment3.Problem Statement4 Project Structure5. Solution5.1 Loading the External Dataset5.2 Separate the Adult and Minors for counting5.2.1 Passing Function to Spark5.2.2 Create Paired RDD in Spark…
Table of Contents1. Hadoop Best Data Handling tool – Overview2. What is Hadoop? 3. Why Hadoop is Best?3.1 Fault Tolerance3.2 Speed3.3 Flexible3.4 Affordable4. Conclusion5. References 1. Hadoop Best Data Handling tool –…
Table of Contents1. Overview2. Development environment3. Input Files4 Project Structure5. Solution5.1 Loading the external dataset5.2 Parallelizing a collection6. API & References 1. Overview With advancement in technologies, Data is growing…
Table of Contents1. Overview2. What is Spring MVC ?3. Spring: Java for Modern Web Development4. For which projects is the Java framework best suited?5. What does MVC mean?6. Why use the MVC…
Table of Contents1. Overview2. Java Server Page(JSP) functionalities2.1 Enhanced Servlet2.2 Easy to Handle2.3 Quick Development2.4 Require Less Code3. Java Server Page (JSP) Lifecycle4. Example4.1 demo.jsp4.2 Executing JSP Page5. Conclusion6. References 1. Overview JSP technology is…
Table of Contents1. Overview2. Development Environment3. Advantages of Java 8 Optional Class4. Optional Class Method With ExampleOptional class of(), ofNullable(), empty(), get() methodsOf()ofNullable()Empty()Get()Example of Optional Class Methods Optional class Map()…
Table of Contents 1. Overview2. Development environment3. Default method inside Interface in Java 8Remember following points before writing default method inside interface in Java 8:Java 8 Default method inside interface exampleDefault…
Table of Contents1. Overview2. Development environment3. What is Functional Interface ?Functional Interface without using Annotation ExampleFunctional Interface using Annotation Example4. What is Lambda Expression?Lambda expression examplesLambda expression rules5. How to…
