Collins Aerospace Senior Developer Lead Interview Questions and Answers

There is MCQ questions of basics of c programming

Q1. Second round is a technical round . Coding round
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Q2. They ask about c programming basic questions and coding
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Q3. Armstrong number
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Q4. Fibbonnic series
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Q1. Valid parenthesis question Hosting Java script basics Node js basics
Ans. 
   const stack = [];
    for(let i=0;i<s.length;i++){
        switch(s[i]){
            case '(':
               stack.push(')')
               break;
            case '{':
                sta...read more
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Minimum basic aptitude like profit,loss , encoding were asked

Q1. About ohms law equation
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Q2. About xor truth table
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Aptitude contained both coding questions and logical questions in separate papers
Aptitude was quite easy but coding questions were quite difficult. They just checked the coding questions for the screening process. so do well in coding aptitude guys!

Q1. Attended in Chennai. Basic definition and they will review our aptitude coding answers and ask how we come to that outcome.
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Q1. Tell me about yourself
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Q2. Explain your project
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Q1. Explain different kinds of Design patterns
Ans. 
Design patterns are reusable solutions to common problems in software design.
• Creational patterns: Singleton, Factory, Builder

• Structural patterns: Adapter, Decorator, Facade

• Behavioral patterns: Observer, Strategy, Template Method
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Q2. Explain main pillars of OOPS
Ans. 
The main pillars of OOPS are Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting data from outside interference.

• Polymorphism allows objects to be treated as instances of their parent class, enabling flexibility in code.

• Abstraction hides complex implementa...read more
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