What are the technologies to learn for a Java backend developer?

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Vinay Sharma

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As a Java backend developer, there are several technologies and frameworks you can consider learning to enhance your skills and broaden your development capabilities. Here are some key technologies commonly used in Java backend development: 1. Spring Framework: Spring is a popular Java framework that...
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As a Java backend developer, there are several technologies and frameworks you can consider learning to enhance your skills and broaden your development capabilities. Here are some key technologies commonly used in Java backend development: 1. Spring Framework: Spring is a popular Java framework that provides a comprehensive set of tools and features for building enterprise-level applications. It includes modules like Spring Core, Spring MVC, Spring Boot, Spring Data, and Spring Security. Learning Spring allows you to create robust, scalable, and modular Java applications. 2. Hibernate: Hibernate is an object-relational mapping (ORM) framework that simplifies database interaction in Java applications. It provides a convenient way to map Java objects to database tables, perform database operations, and manage database transactions. 3. JAX-RS (Java API for RESTful Web Services): JAX-RS is a Java specification for building RESTful web services. Learning JAX-RS enables you to create APIs that follow the principles of REST and facilitate communication between different systems. 4. Apache Kafka: Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications. It provides high-throughput, fault-tolerant messaging and can be integrated with Java applications to handle large-scale data processing and event-driven architectures. 5. JUnit and Mockito: JUnit is a widely used testing framework for Java applications. Mockito is a mocking framework that simplifies the testing of Java code by creating mock objects. Learning JUnit and Mockito enables you to write unit tests and perform test-driven development. 6. Docker: Docker is a containerization platform that allows you to package applications and their dependencies into isolated containers. Learning Docker helps in creating consistent and portable environments for deploying Java applications. 7. Apache Maven or Gradle: Apache Maven and Gradle are popular build automation tools for Java projects. They simplify dependency management, build configurations, and deployment processes. Learning either Maven or Gradle can improve your read less
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Ruby on Rails. Laravel. CakePHP. Django. Spring Boot. Node.js. Nest.js. Express.js.
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Today's most popular Java backend frameworks are: Spring Framework. Struts. Hibernate.
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Sir how is Java a pure object oriented programming language?

 
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Ram
class HappyGarbage01 { public static void main(String args[]) { HappyGarbage01 h = new HappyGarbage01(); h.methodA(); /* Line 6 */ } Object methodA() { Object obj1 = new Object(); Object [] obj2 = new Object[1]; obj2[0] = obj1; obj1 = null; return obj2[0]; } } Where will be the most chance of the garbage collector being invoked? A. After line 9 B. After line 10 C. After line 11 D. Garbage collector never invoked in methodA()
Hello Shrikant who told you that you can explicity call garbage collector. You cann't call gc explicity even when you use System.gc() it is not guranteed that gc will be invoked it is all up to JVM when...
Srikanth
public void foo( boolean a, boolean b) { if( a ) { System.out.println("A"); /* Line 5 */ } else if(a && b) /* Line 7 */ { System.out.println( "A && B"); } else /* Line 11 */ { if ( !b ) { System.out.println( "notB") ; } else { System.out.println( "ELSE" ) ; } } } A. If a is true and b is true then the output is "A && B" B. If a is true and b is false then the output is "notB" C. If a is false and b is true then the output is "ELSE" D. If a is false and b is false then the output is "ELSE"
C
Srikanth

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