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Wunderman Thompson Commerce
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I was interviewed before Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions around Java.
The main difference is that @RestController is a specialized version of @Controller that is used for RESTful web services.
RestController is used for creating RESTful web services, while Controller is used for handling web requests in a traditional MVC application
RestController eliminates the need for annotating each method with @ResponseBody as it is done automatically
RestController returns data directly in the respons...
Your task is to swap two given numbers without utilizing an additional variable and print the swapped values.
The first line contains an integer 't...
Swapping two numbers without using a third variable in Java.
Use bitwise XOR operation to swap the numbers without using a third variable.
a = a XOR b; b = a XOR b; a = a XOR b; will swap the values of a and b.
Ensure to handle edge cases like when a and b are the same number.
Singleton Design Pattern ensures a class has only one instance and provides a global point of access to it.
Ensures a class has only one instance by providing a global access point to it.
Uses a private constructor to restrict instantiation of the class from other classes.
Provides a static method to access the single instance of the class.
Commonly used in scenarios where only one instance of a class is needed, such as da
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
The @Controller annotation is used to create a controller class for handling HTTP requests, while @RestController is used for RESTful web services.
The @Controller annotation is used for traditional web applications that return HTML views.
The @RestController annotation is used for creating RESTful web services that return JSON or XML data.
The @RestController annotation is a combination of @Controller and @ResponseBody a...
Swapping 2 numbers without using a third variable in Java
Use addition and subtraction to swap the values
Use XOR operator to swap the values
Use multiplication and division to swap the values
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I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Job Portal and was interviewed before Apr 2021. There was 1 interview round.
Solid principles are a set of design principles for writing maintainable and scalable code in C#.
Single Responsibility Principle (SRP) - a class should have only one reason to change
Open/Closed Principle (OCP) - a class should be open for extension but closed for modification
Liskov Substitution Principle (LSP) - derived classes should be substitutable for their base classes
Interface Segregation Principle (ISP) - client...
I applied via Campus Placement and was interviewed in Jul 2020. There was 1 interview round.
Java is platform independent due to its bytecode and JVM.
Java code is compiled into bytecode which is platform-independent.
JVM (Java Virtual Machine) interprets the bytecode and executes it on any platform.
JVM acts as an abstraction layer between the Java code and the underlying hardware.
This allows Java programs to run on any platform that has a JVM installed.
For example, a Java program written on a Windows machine ca...
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed in Oct 2018. There was 0 interview round.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
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