Swapnil Rokade & Associates Interview Questions and Answers

Questions asked in a Full Stack Software Developer interview

• Questions on OOPs concepts, design patterns, and MVC architecture

• Array and string manipulation in Java

• Understanding of JDK, JRE, and JVM

• Usage of 'this' and 'super' keywords

• Solving Java problems like palindrome, prime number, etc.

• Explanation of Java's platform independence

• SQL queries and commands

MVC is a design pattern used in Java for separating concerns. Java has many design patterns like Singleton, Factory, etc.

• MVC separates Model, View, and Controller for better organization and maintenance

• Singleton ensures only one instance of a class is created

• Factory pattern creates objects without exposing the instantiation logic to the client

• Observer pattern allows objects to be notified of changes in other objects

• Decorator pattern adds functionality to an object dynamically

JDBC is a Java API for connecting to databases. Spring Boot provides auto-configuration for JDBC.

• JDBC stands for Java Database Connectivity.

• It is a Java API for connecting to databases.

• Spring Boot provides auto-configuration for JDBC, making it easy to set up database connections.

• JDBC can be used to execute SQL statements and retrieve results.

• Example: DriverManager.getConnection(url, username, password);

Hardening is done to increase the strength and durability of materials. Casting involves pouring molten metal into a mold.

• Hardening is a heat treatment process that involves heating and cooling a material to increase its strength and durability.

• Casting is a manufacturing process in which a liquid material, such as molten metal, is poured into a mold and allowed to solidify.

• The procedure of casting involves preparing the mold, melting the material, pouring it into the mold, an...read more

Current is the flow of electric charge, transformer is a device that transfers electrical energy between two or more circuits, electricity is the flow of electrons, and voltage is the potential difference between two points.

• Current is the flow of electric charge in a circuit, measured in Amperes (A).

• A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Electricity is the flow of electrons through a conductor,...read more

Parameters of design refer to the specific factors that are considered when creating a product or system.

• Parameters of design include things like size, shape, materials, and functionality.

• These parameters are determined by the intended use of the product or system, as well as any constraints or limitations.

• For example, when designing a car, parameters of design might include the number of seats, the type of engine, and the safety features.

• It is important to carefully consider...read more