Code Decoder Developer Software Developer Interview Questions and Answers

It is a good process.

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Q1. Tell about Your Self.
Ans. 
I am a passionate software developer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring Boot, and Angular

• Passionate about coding and problem-solving
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Q2. Any active backlogs in btech.
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Yes, there are active backlogs in btech.
• Yes, there are active backlogs in btech as students may have pending assignments, projects, or exams.

• Students may also have backlogs in terms of failed courses that need to be cleared.

• Backlogs can affect a student's academic progress and may require extra effort to catch up.

• Some students may choose to prioritize certain subjects over others, leading to backlogs in specific areas.
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Q1. Oops, basic ,SQL ,ado
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Curd operation with SQL connectivity

Ms office,Core Java , Tally , C,

In my Opinion,view , If you ask me, As far as I can see/I am Concerned , It seems to me that , I think /feel/reckon/ belive , If you want my option , What we have to decide

Best way to prefer java, core java and most imp spring boot because many of companies required spring boot now a days

Q1. What is java is the basic question for everyone
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Q2. What is difference between path and classpath variables
Ans. 
Path variable is used to locate executable files while classpath variable is used to locate Java classes.
• Path variable is used by the operating system to locate executable files.

• Classpath variable is used by Java to locate classes and resources.

• Path variable is system-specific while classpath variable is Java-specific.

• Path variable is set by the user while classpath variable is set by the developer.

• Example of path vari...read more
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Q3. What is enum in java
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Enum is a special data type in Java used to define a set of constants.
• Enums are used to represent a fixed number of values that do not change.

• They are declared using the enum keyword.

• Each enum constant is an object of the enum type.

• Enums can have constructors, methods, and fields.

• Example: enum Color { RED, GREEN, BLUE }

• Enums can also have values associated with them, like Color.RED(255, 0, 0).
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Q4. What is 2 phase commit
Ans. 
2 phase commit is a protocol used to ensure distributed transactions are either committed or rolled back.
• Used in distributed systems where multiple databases are involved in a transaction

• Ensures all databases either commit or rollback the transaction

• Involves a coordinator and multiple participants

• Coordinator sends a prepare message to participants, who respond with either commit or abort

• If all participants respond with...read more
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Q5. They can ask questions on your project
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Q6. Is java completely object oriented?
Ans. 
Yes, Java is completely object oriented.
• Java is designed to be completely object oriented.

• All code in Java is written inside classes and objects.

• Java supports encapsulation, inheritance, and polymorphism.

• Java does have some non-object oriented features like primitive data types.

• However, even these can be treated as objects using wrapper classes.
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Q7. What is exception in java?
Ans. 
Exception is an event that occurs during the execution of a program and disrupts the normal flow of instructions.
• Exceptions are objects that are thrown at runtime when an abnormal condition occurs

• Java provides a set of predefined exceptions that can be used to handle errors

• Exceptions can be caught and handled using try-catch blocks

• Unchecked exceptions are those that are not checked at compile-time, while checked except
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Q1. No specific questions they can ask about company only and will talk about package
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