coMakeIT Java Developer Interview Questions and Answers

Reasoning and aptitude questions are given

Q1. Tell all concepts of Overloading
Ans. 
Overloading is a concept in programming where multiple functions can have the same name but different parameters.
• Functions with the same name but different parameters can be defined in a class

• Overloading allows for flexibility in function usage

• Example: void print(int num) and void print(string text) are overloaded functions
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Q2. Tell me about a live example of inheritance
Ans. 
Inheritance in software development allows a class to inherit properties and behaviors from another class.
• Inheritance allows a subclass to reuse code from a superclass

• Subclass can also add new functionalities or override existing ones

• Example: Animal class can be a superclass with properties like name and age, while Dog class can inherit from Animal and add a method bark()
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Q1. Tell about the your self
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In this round, we have questions from time relation, blood relation, programming questions. Around 45 questions in 30 minutes,

In this round, we have two programming questions. Both are hacker rank easy to medium level.

Q1. In this round, we have questions from the core java and a famous scooter tire question.
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Logic and MCQ were there

Q1. How cobol db 2 works? how to add checkpoint logic.
Ans. 
COBOL DB2 is a programming language used for database management. Checkpoint logic is used to ensure data integrity and recoverability.
• COBOL DB2 is used for accessing and manipulating data in DB2 databases.

• Checkpoint logic in COBOL DB2 involves saving the current state of the database at specific points to ensure data integrity.

• To add checkpoint logic, you can use COMMIT and ROLLBACK statements in your COBOL DB2 progra...read more
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Q2. How jcl works, how to do restart
Ans. 
JCL (Job Control Language) is used to control batch jobs on mainframe systems. Restarting a job involves identifying the step where it failed and resubmitting the job from that step.
• JCL is used to define and control batch jobs on mainframe systems

• To restart a job, identify the step where it failed

• Modify the JCL to start from the failed step by specifying the restart parameter

• Submit the modified JCL to restart the job
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It was easy, the topic is upi

Aptitude + coding Test

Q1. It's about my projects
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Q2. And few Javascript questions
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Q1. General HR questions
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Q1. About my self and experience
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Q2. About my hobbies
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Q1. Document verify
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Q2. Tel about my favorite topic
Ans. 
My favorite topic is artificial intelligence and its impact on society.
• AI has revolutionized various industries such as healthcare, finance, and transportation

• Ethical considerations surrounding AI development and deployment are crucial

• AI has the potential to both improve and disrupt society in significant ways
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Q1. Tell about my self and experience
Ans. 
I am a dedicated professional with diverse experience in project management and team collaboration across various industries.
• Over 5 years of experience in project management, successfully leading teams to deliver projects on time and within budget.

• Worked at XYZ Corp, where I improved operational efficiency by 20% through process optimization.

• Skilled in stakeholder communication, having facilitated meetings with clients...read more
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Q1. Telling about myself and my experience with my manager
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Q1. Previous year experience
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Q1. Type of value added to the company
Ans. 
I add value to the company by leveraging my skills and experience to drive growth, improve efficiency, and enhance overall performance.
• Implementing cost-saving initiatives

• Developing innovative solutions to challenges

• Improving processes and workflows

• Increasing revenue through strategic partnerships

• Enhancing customer satisfaction and retention
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