Spring boot JNDI datasource Example

Spring boot JNDI datasource Example

Spring Boot

Table of Contents1. Overview2. Example2.1 pom.xml2.2 SpringBootConfig2.3 EmployeeController2.4 EmployeeDAO2.5 Employee2.6 Output3. Conclusion4. References 1. Overview In this article, We will see Spring boot JNDI datasource Example.  JNDI Datasource needs to be configured at…

Java Base64 encode decode example

Java Base64 encode decode example

Java Basic

Table of Contents1. Overview2.String Base64 Encode/Decode2.1.1. Encode String to Base64Output1.2 Encode Base64 to StringOutput:1.3 String Base64 Encoding without paddingOutput: 1. Overview In this example, We will learn Java Base64 encode decode…

Spark WordCount Example

Spark WordCount example

Spark

Table of Contents1. Overview2. Development environment3. Sample Input4. SolutionUsing Spark Core4.1 Build File : build.gradle4.2 Java Code: WordCount.java4.3 Scala Code: WordCount.scala5. Build & Run Spark Wordcount Example6. Output(Portion)7. Source Code…

java convert double to byte array

Java Convert double to byte array

Java Basic

Table of Contents1. Overview2. double to byte array2.1 ByteArrayOutputStream2.2 ByteBuffer2.3 Shift operations3. byte array to double3.1 ByteBuffer3.2 Shift operations4. double array to byte array5. byte array to double array5. Conclusion6. Reference7….

java convert long to byte array

Java Convert long to byte array

Java Basic

Table of Contents1. Overview2. long to byte array2.1 DataOutputStream2.2 ByteBuffer2.3 Shift operations3. byte array to long3.1 ByteBuffer3.2 Shift operations4. long array to byte array5. byte array to long array5. Conclusion6. Reference7….

java convert int to byte array

Java Convert int to byte array

Java Basic

Table of Contents1. Overview2. int to byte array2.1 BigInteger2.2 DataOutputStream2.3 ByteBuffer2.4 Shift operations3. byte array to int3.1 ByteBuffer3.2 Shift operations4. int array to byte array5. byte array to int array5. Conclusion…

Reduce Side Join Mapreduce example using Java

Reduce Side Join Mapreduce example using Java

Hadoop

Table of Contents1. Overview2. Development environment3. Sample InputInput File 1 : 4-UserDetails.csvInput File 2 : 4-AddressDetails.csv4. Solution4.1 Build File : build.gradle4.2 Mapper1 Code: UserFileMapper.java4.3 Mapper2 Code: AddressFileMapper.java4.4 Reducer Code: UserDataReducer.java4.5…

spring boot enable debug logging

Spring boot enable debug logging

Spring Boot

Table of Contents1. Overview2. Configuration2.1 application.properties2.2 application.yml2.3 Console2.4 Enable debug logging in IntelliJ2.5 Output on the console:3. References 1. Overview In this article, We will see spring boot enable debug…