Oracle Associate Software Engineer Interview Questions, Process, and Tips

Easy 1 dsa and 35 mcqs

Q1. All oops concepts in detail
Ans. 
Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the ne
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Q2. Linked list implementation and some questions
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First round was online assessment consisting of aptitude and coding questions.

Q1. First round consisted of coding 3 questions. String reversal , binary to decimal, finding index of word "golden" in given sentence.
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Q1. It involved questions related to my resume and computer networks and basics of c++.
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Questions were easy to moderate level from leetcode

Q1. I didn't get selected, but if you clear the 1st round coding and aptitude aswell then you will be allowed to this round, some 25 to 30 were selected and 6 were given offer letter.focus on coding aswell as ...read more
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Technical Mcqs on computer fundamental

1 coding question
difficult : medium

Interviewed as part of college placements, first round consisted of aptitude and CS related MCQs;

String manipulation problems from geeks for geeks with some medium and hard problems in DSA from leetcode

Q1. String manipulation and tree twisted problems
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Q2. Some 2d matrix popular problems like sudoku
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Q3. Graph basic level implementation
Ans. 
Graph implementation involves creating nodes and edges to represent data and relationships.
• Nodes represent data points and edges represent relationships between them

• Graphs can be directed or undirected

• Common graph algorithms include BFS, DFS, and Dijkstra's algorithm
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Q1. Puzzles to test decision making abilities
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Q2. Some theory technical questions in Java and springboot.
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Q3. What is string pool ?
Ans. 
String pool is a cache of string literals stored in memory for efficient reuse.
• String pool is a part of Java's memory management system.

• It stores a collection of unique string literals to save memory.

• When a new string is created, it is first checked in the pool and reused if already present.

• String pool can be accessed using the intern() method.

• Example: String s1 = "Hello"; String s2 = "Hello"; s1 and s2 will point to t
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Q4. Why strungs are not mutavle in java ?
Ans. 
Strings are immutable in Java to ensure thread safety and prevent unintended changes.
• Immutable objects are safer to use in multi-threaded environments

• String pool optimization is possible because of immutability

• StringBuffer and StringBuilder classes are available for mutable string operations
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Q1. Basic discussion like salary and other benefit
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Q2. Why you choose oracle ?
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Q3. How you overcome challenges?
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