Digital Cues Software Developer Interview Questions and Answers

Q1. Hash map implementation
Ans. 
Hash map is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hash map uses a hash function to map keys to indices in an array.

• Collision handling is important in hash map implementation.

• Common operations include adding, removing, and retrieving key-value pairs.

• Example: HashMap map = new HashMap<>();
Answered by AI
Add your answer
Q2. About software development models
Add your answer

Medium level question are asked

Q1. Given a array and asked sum
Add your answer

Includes basic concepts of computer networks, computer architecture and technical MCQ questions. First round also includes 3 coding questions of easy level. Those who solved 2 coding questions got selected for next round.

Q1. Question from oops concept, c++ and JAVA were asked.
Add your answer
Q2. Questions data structures like how to reverse a linked list were asked.
Add your answer
Q3. Explain packages in java
Ans. 
Packages in Java are used to organize classes and interfaces into namespaces for better code organization and reusability.
• Packages help in avoiding naming conflicts by grouping related classes together.

• Packages can be nested within each other to create a hierarchical structure.

• Packages are declared using the 'package' keyword at the beginning of a Java file.

• Example: 'package com.example.myapp;' declares a package named
Answered by AI
Add your answer
Q4. Explain the use of public static void main
Ans. 
The public static void main method is the entry point of a Java program.
• It is a mandatory method in Java programs, as it is the starting point of execution.

• The 'public' keyword allows the main method to be accessed from outside the class.

• The 'static' keyword allows the main method to be called without creating an instance of the class.

• The 'void' keyword indicates that the main method does not return any value.

• The 'main...read more
Answered by AI
View 1 more answer

Q1. Questions about the awards and certification i mentioned in my resume
Add your answer
Q2. Common HR questions like location....salary......why tata elxsi ect..
Add your answer

Q1. Read java oops and basiscs of spring well, and if you had done thesis there can be questions on that
Add your answer
Q2. Lambda expressions
Add your answer
Q3. Stream filtering
Add your answer

Q1. Why are you looking for job change
Add your answer

Q1. Oops related questions
Add your answer
Q2. How you can handle exceptions in case of inheritance
Ans. 
Exceptions in inheritance can be handled by using try-catch blocks in the derived class.
• Use try-catch blocks in the derived class to catch exceptions thrown by the base class methods.

• Handle exceptions specific to the derived class in the catch block.

• Consider using super() to call the base class constructor within the try block.

• Avoid catching general exceptions unless necessary to maintain code clarity.

• Ensure proper exc...read more
Answered by AI
Add your answer
Q3. Collections questions
Add your answer
Q4. Live coding based on the answers you give
Add your answer
Q5. Your current project and how you handled difficulties in that
Add your answer

Q1. Core java and SQL,HTMl,css,, communication
Add your answer
Q2. First communion mainly
Add your answer
Q3. Technicalquestions
Add your answer
Q4. Coding bases,web technology bases
Add your answer
Q5. Formal question,and bases questions
Add your answer

Q1. What is the inheritance?
Ans. 
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and helps in creating a hierarchy of classes

• Derived class can access the properties and methods of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' to reuse common attributes like 'color
Answered by AI
Add your answer