Boeing Programmer Analyst Interview Questions, Process, and Tips

Q1. 3rd highest salary in sql
Ans. 
To find the 3rd highest salary in SQL, you can use the 'ROW_NUMBER()' function with a subquery.
• Use the 'ROW_NUMBER()' function to assign a unique row number to each salary in descending order.

• Then, filter the results to only include rows where the row number is 3.
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Q2. Oops concepts were asked
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Q1. Basic SQL Questions
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2 medium level leetcode questions

It was okay okay types

The test duration was 90 minutes.

Q1. Introduce yourself
Ans. 
I am a dedicated programmer analyst with a strong background in software development and problem-solving skills.
• Experienced in programming languages such as Java, Python, and SQL

• Skilled in analyzing user requirements and designing solutions

• Familiar with Agile development methodologies

• Strong communication and teamwork abilities
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Q2. Code for diamond star pattern
Ans. 
Code to print a diamond star pattern using loops in a programming language.
• Use nested loops to print spaces and stars in the desired pattern

• Start with a loop to print spaces before stars on each line

• Then print the stars in a specific pattern to form a diamond shape
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Q1. What is dependency injection
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing the ability to mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.
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Q2. What design patterns have you implemented in your project
Ans. 
I have implemented various design patterns such as Singleton, Factory, and Observer in my projects.
• Implemented Singleton pattern to ensure only one instance of a class is created.

• Utilized Factory pattern to create objects without specifying the exact class of object that will be created.

• Used Observer pattern to define a one-to-many dependency between objects so that when one object changes state, all its dependents are
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