Vadodara Municipal Corporation Interview Questions and Answers

Q1. LTE Frame Structure
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Q2. Type 1 and Type 2
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Q1. Difference btwn jdk , jre and jvm
Ans. 
JDK is a development kit that includes JRE and tools for developing Java applications. JRE is a runtime environment for executing Java programs. JVM is a virtual machine that runs Java bytecode.
• JDK (Java Development Kit) includes JRE (Java Runtime Environment) and development tools like compiler and debugger.

• JRE (Java Runtime Environment) is a software package that provides the libraries and components necessary for ru...read more
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Q2. Difference btwn static and volatile
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Static variables are shared among all instances of a class, while volatile variables are used to indicate that a variable's value will be modified by different threads.
• Static variables are initialized only once at the start of the program and retain their value throughout the program's execution.

• Volatile variables are used to ensure visibility of changes to variables across multiple threads.

• Static variables are accesse...read more
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Q3. What is final keyword
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Final keyword is used in Java to declare constants, prevent method overriding, and prevent class inheritance.
• Used to declare constants - value cannot be changed once assigned

• Prevents method overriding - method cannot be overridden in child classes

• Prevents class inheritance - class cannot be extended
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Q4. Difference btwn paralle stream and stream
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Parallel stream allows processing elements concurrently, while stream processes elements sequentially.
• Parallel stream can improve performance by utilizing multiple threads for processing.

• Stream processes elements one by one in a sequential manner.

• Example: stream().parallel() vs stream().sequential()
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Q5. What is stream used for
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Streams are used in Java to process collections of objects in a functional style.
• Streams allow for concise and readable code when working with collections.

• They support operations like filter, map, reduce, and collect.

• Streams can be sequential or parallel, depending on the processing requirements.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); names.stream().filter(name -> name.startsWith("A")).forEach(S
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Q1. How you conveyance in the customer?
Ans. 
I convey confidence, knowledge, and empathy to build trust with the customer.
• Listen actively to understand the customer's needs and concerns.

• Communicate clearly and effectively to address any questions or objections.

• Show empathy and understanding to build rapport and trust.

• Demonstrate product knowledge and expertise to instill confidence in the customer.

• Use persuasive language and techniques to highlight the benefits o...read more
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Q2. Okay, convince me why should I hire you!
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Q3. How many customer attend you a time? give me a example!
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Q1. Salary and benefits
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Q2. Culture and maintenance
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It was a combination of coding and aptitude test. The test had four section and each section had it's time limit.

Q1. The interviewer asked me question based on my resume. He also asked me question related to DBMS, OS & DSA.
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Q2. Define polymorphism.
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Polymorphism is the ability of an object to take on many forms.
• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It can be achieved through method overloading or method overriding.

• For example, a parent class Animal can have child classes like Dog, Cat, and Bird, each with their own unique implementation of the method 'makeSound'.
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Q3. Difference between SQL & NoSQL.
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SQL is a relational database management system, while NoSQL is a non-relational database management system.
• SQL databases use structured query language for defining and manipulating the data.

• NoSQL databases are schema-less and use various data models like key-value, document, columnar, or graph.

• SQL databases are suitable for complex queries and transactions.

• NoSQL databases are horizontally scalable and provide high perf...read more
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Q1. It was a managerial round.
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Q1. It asked me some situational based questions.
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Q1. Safety related questions
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Q2. Permit to work related
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Q1. Tool box talk related
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