Protech Engineering Industries Application Developer Interview Questions and Answers

Q1. How can we break singleton pattern in java?
Ans. 
Singleton pattern can be broken using reflection, serialization, and cloning.
• Reflection can be used to access the private constructor and create multiple instances.

• Serialization can create multiple instances when the object is deserialized.

• Cloning can create a new instance of the singleton object.
Answered by AI
Add your answer

Easy level only ...very basic problems are asked to me

Basic arrays and string questions

Q1. About yourself,project,and basic java concepts
Add your answer

Q1. Explain bean life cycle
Ans. 
Bean life cycle refers to the stages a Java bean goes through from creation to destruction.
• Bean is instantiated using a constructor or a factory method

• Bean properties are set using setters or dependency injection

• Bean is initialized using the init method

• Bean can be used for its intended purpose

• Bean is destroyed using the destroy method
Answered by AI
Add your answer
Q2. Container created ,bean instantiated dependency injection ,custom init() method,custom utility methods and destroy
Add your answer

Asked related to python

Q1. Tell me about yourself
Add your answer
Q2. Explain the project in resume
Add your answer