Lexplosion Solutions Interview Questions and Answers for Experienced

Improving application performance can be achieved through various methods such as optimizing code, utilizing caching mechanisms, and scaling resources.

• Optimize code by identifying and fixing bottlenecks

• Utilize caching mechanisms to reduce load times

• Scale resources by adding more servers or upgrading hardware

• Implement load balancing to distribute traffic evenly

• Use profiling tools to identify performance issues

When you write code in .Java, it will be compiled into bytecode which can be executed by the Java Virtual Machine (JVM).

• Code is written in Java programming language.

• The code is saved with a .java extension.

• The code is compiled into bytecode using a Java compiler.

• The bytecode can be executed by the Java Virtual Machine (JVM).

To change database connection in a Spring Boot application, you need to modify the application.properties file.

• Update the database connection details in the application.properties file

• Modify the spring.datasource.url, spring.datasource.username, and spring.datasource.password properties

• Restart the Spring Boot application for the changes to take effect