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PACE PROCESS CONTROLS PVT.LTD Interview Questions and Answers
PACE PROCESS CONTROLS PVT.LTD Interview Experiences
2 interviews found
Anonymous
(1 Question)
- Q1. Some technical questions only
(1 Question)
- Q1. How much salary u want. Last company package
Interview Preparation Tips
Basic tricks yaad rakho .
Or basic knowledge of Instrument & calibration, And loop dig.
Instrumentation Technician Interview Questions asked at other Companies
I applied via Recruitment Consultant and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Calibration topics and according to experience
Interview Preparation Tips
Junior Engineer Interview Questions asked at other Companies
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Interview questions from similar companies
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Explain the difference between ArrayList and LinkedList in Java. When would you choose one over the other?
- Ans.
ArrayList uses dynamic arrays, while LinkedList uses doubly linked nodes for storage and access.
ArrayList provides fast random access (O(1)) due to its underlying array structure.
LinkedList allows for efficient insertions and deletions (O(1)) at both ends and in the middle.
ArrayList has a fixed size, requiring resizing (O(n)) when capacity is exceeded, while LinkedList grows dynamically.
Example: Use ArrayList for frequ...
- Q2. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? Can you explain how the ReentrantLock compares to synchronized?
- Ans.
Java's synchronized keyword offers thread safety but has limitations compared to ReentrantLock.
Advantages of synchronized: Simple to use and understand.
Disadvantages of synchronized: Can lead to thread contention and performance issues.
ReentrantLock allows more flexibility, such as tryLock() and timed lock attempts.
ReentrantLock can be used for fair locking, preventing thread starvation.
Synchronized blocks are tied to ...
- Q3. What is the difference between == and .equals() in Java? When should each be used, and what issues can arise from improper usage?
- Ans.
In Java, '==' checks reference equality, while '.equals()' checks value equality. Use them appropriately to avoid bugs.
== compares object references, checking if both point to the same memory location.
Example: String a = new String('test'); String b = new String('test'); a == b returns false.
.equals() compares the actual content of the objects.
Example: a.equals(b) returns true because the content is the same.
Use '==' f...
- Q4. How does the Java garbage collector work? Can you describe the different types of garbage collection algorithms available in Java?
- Q5. What are the main features of Java 8? Can you explain how lambdas and the Stream API have changed the way Java applications are written?
- Ans.
Java 8 introduced lambdas, Stream API, and other features that enhance functional programming and simplify code.
Lambdas: Enable concise representation of functional interfaces. Example: (x, y) -> x + y.
Stream API: Facilitates functional-style operations on collections. Example: list.stream().filter(x -> x > 10).collect(Collectors.toList()).
Default Methods: Allow adding new methods to interfaces without breakin...
- Q6. Describe the differences between checked and unchecked exceptions in Java. Provide examples and explain how to handle them properly.
- Ans.
Checked exceptions must be declared or handled, while unchecked exceptions do not require explicit handling.
Checked exceptions are subclasses of Exception but not of RuntimeException.
Example: IOException, SQLException are checked exceptions.
Unchecked exceptions are subclasses of RuntimeException.
Example: NullPointerException, ArrayIndexOutOfBoundsException are unchecked exceptions.
Checked exceptions must be caught or d...
- Q7. What is the Java Memory Model, and how does it affect multithreading and synchronization? How does volatile help ensure memory visibility?
- Ans.
The Java Memory Model defines how threads interact through memory, ensuring visibility and ordering of shared variables.
The Java Memory Model (JMM) specifies how threads interact with memory, ensuring consistency and visibility.
It defines rules for visibility, atomicity, and ordering of operations in a multithreaded environment.
Synchronization mechanisms (like synchronized blocks) ensure that only one thread can access...
- Q8. Can you explain the difference between method overloading and method overriding in Java? Provide examples where each should be used.
- Ans.
Method overloading allows multiple methods with the same name but different parameters; overriding redefines a method in a subclass.
Method Overloading: Same method name, different parameters (type, number, or both).
Example of Overloading: 'void add(int a, int b)' and 'void add(double a, double b)'.
Use Overloading for convenience and readability when methods perform similar functions.
Method Overriding: Redefining a meth...
Selected
I applied via Campus Placement and was interviewed in Jan 2024. There were 4 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
Selected
I applied via Campus Placement and was interviewed in Jan 2024. There were 4 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
Selected
I applied via Campus Placement and was interviewed in Jan 2024. There were 4 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
Selected
I applied via Campus Placement and was interviewed in Jan 2024. There were 4 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
Selected
I applied via Campus Placement and was interviewed in Jan 2024. There were 4 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
Selected
I applied via Campus Placement and was interviewed in Mar 2024. There were 5 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
Selected
I applied via Campus Placement and was interviewed in Mar 2024. There were 5 interview rounds.
I am writing automation and clicking on aptitude test.
I am writing automation and clicking on assignment test.
(2 Questions)
- Q1. Hey guys? How is it going. I gotta work for it. This is an automation task.
- Ans. Hey guys? How is it going. I gotta work for it. This is an automation task. Answer
- Q2. Hey guys? How is it going. I gotta work for it. This is an automation task. Yes
This is an automation test. I got this task from my senior. I'm doing good.
This is an automation test. I got this task from my senior. I'm doing good.
Interview Preparation Tips
- Testing
- Software Testing
- DSA
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