Capgemini Software Developer Interview Questions, Process, and Tips

Asking 3 to 4 Coding Test

Q1. 2nd Technical round
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Q2. 1. Core Java 2.Advance Java 3.spring boot 4.all annotation 5.JPA
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Q3. 1.input ="india" required output="nda"(removing duplicate i) using JAVA8 2.find second high number from array ={10,20,30,25} => output =25 Using java8
Ans. 
1. Remove duplicate 'i' from input string 'india' using Java8. 2. Find second highest number from array {10,20,30,25} using Java8.
• For the first question, you can use Java8 streams to filter out the duplicate 'i' from the input string.

• For the second question, you can use Java8 streams to sort the array in descending order and then get the second element.
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Q1. Salary .project , when you join
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Q1. What is filter in java 8
Ans. 
Filter in Java 8 is a method used to iterate through a collection and filter out elements based on a specified condition.
• Filter is a method in the Stream interface in Java 8.

• It takes a Predicate as an argument to specify the condition for filtering.

• Example: List names = Arrays.asList("Alice", "Bob", "Charlie"); List filteredNames = names.stream().filter(name -> name.startsWith("A")).collect(Collectors.toList());
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Cs fundamentals que ask for test

Dsa questions based test it is

Q1. Based on your tech skills
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Q1. What is Class ? How You Will Use them in Coding
Ans. 
A class is a blueprint for creating objects in object-oriented programming. It defines the properties and behaviors of objects.
• Classes are used to create objects with specific attributes and methods.

• They help in organizing code by grouping related data and functions together.

• Inheritance allows classes to inherit properties and methods from other classes.

• Encapsulation ensures that data is kept private within a class.

• Pol...read more
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Q2. What is Object and Encapsulation ?
Ans. 
Object is a collection of data and methods, while encapsulation is the concept of bundling data and methods within a single unit.
• Object is an instance of a class that encapsulates data and behavior.

• Encapsulation hides the internal state of an object and only allows access through methods.

• Encapsulation helps in achieving data hiding, abstraction, and modularity.

• Example: A car object can have data like color and speed, a...read more
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Good interview very good...went well

Q1. Decent questions asked
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Q2. Coding based questions
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Q1. Location and shift based questions
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Q1. 1. why string is immutable
Ans. 
String is immutable because it ensures data integrity, thread safety, and allows for efficient memory management.
• Immutable strings prevent accidental modification of data.

• Immutable strings can be safely shared across multiple threads.

• Immutable strings allow for efficient memory management by reusing existing string instances.

• Immutable strings enable the use of string interning for better performance.

• Immutable strings f...read more
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Q2. 1.In an array give me number closest to 100
Ans. 
Find the number closest to 100 in an array.
• Iterate through the array and calculate the absolute difference between each number and 100.

• Keep track of the minimum difference and the corresponding number.

• Return the number with the minimum difference.
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Q3. 1.In and array of string give me the string with longest length
Ans. 
The answer to the question is the string with the longest length in an array of strings.
• Iterate through the array of strings and keep track of the string with the longest length.

• Compare the length of each string with the current longest string and update it if necessary.

• Return the string with the longest length.
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Q4. String concat operation output
Ans. 
The question is about the output of a string concatenation operation.
• The output of a string concatenation operation is a new string that combines the original strings.

• The order of the strings in the concatenation operation determines the order in the output.

• The concatenation operator in most programming languages is the plus sign (+).
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Q5. Write a code to call method from interface
Ans. 
Code to call a method from an interface
• Create a class that implements the interface

• Override the method in the class

• Create an object of the class and assign it to the interface type

• Call the method using the interface reference
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