Neel-Tech International Interview Questions and Answers

15 minutes on paper coding questions is given

Q1. Java related question
Add your answer
Q2. Jdk information on java
Add your answer
Q3. Java interface in actual coding
Ans. 
Java interfaces are used to define a contract for classes to implement, allowing for polymorphism and loose coupling.
• Interfaces in Java are used to define abstract methods that must be implemented by classes that implement the interface.

• Interfaces can also contain constants, default methods, and static methods.

• Example: interface Animal { void eat(); } class Dog implements Animal { public void eat() { System.out.println
Answered by AI
Add your answer
Q4. Object oriented programming langauge
Add your answer

Q1. Hr round on java
Add your answer

Q1. What is bias variance tradeoff in machine learning
Ans. 
Bias-variance tradeoff is the balance between underfitting and overfitting in machine learning models.
• Bias refers to error from erroneous assumptions in the learning algorithm, leading to underfitting.

• Variance refers to error from sensitivity to small fluctuations in the training set, leading to overfitting.

• The tradeoff involves finding the right level of model complexity to minimize both bias and variance.

• Regularizati...read more
Answered by AI
Add your answer
Q2. Explain your project
Add your answer
Q3. Write a SQL code to find 2nd highest salary
Ans. 
SQL code to find 2nd highest salary
• Use the MAX() function to find the highest salary

• Use the WHERE clause to exclude the highest salary

• Order the salaries in descending order and limit the result to 1
Answered by AI
Add your answer

Q1. At to nhi hai yrr tum tud ho gya hai kya tumhare liye hai kya tumhare liye hai kya tumhare liye hai kya
Add your answer
Q2. Tumhare liye hai kya tumhare liye hai kya tumhare liye hai kya tumhare liye hai kya tumhare liye hai kya tumhare
Add your answer
Q3. Fgtyyyyyy in the tiger Raja Singh and my friend not
Add your answer
Q4. Your name is not send me the tiger Raja Singh and my friend not your friend not your friend
Add your answer
Q5. Try to get the tiger Raja Singh and my friend not your friend not your friend not
Add your answer

Q1. Introduction, salse Related question
Add your answer
Q2. System Related question
Add your answer
Q3. Banking Related question
Add your answer
Q4. Past job Related question
Add your answer

Online courses provide by company

Q1. Regarding your family
Add your answer

Q1. It related (CCTV) installation
Add your answer

Q1. Troubleshooting of cctv
Ans. 
Troubleshooting CCTV involves identifying and resolving issues with the camera system.
• Check power supply to cameras and DVR

• Inspect camera connections and cables for damage

• Review camera settings and configurations

• Check for any obstructions blocking camera view

• Test camera functionality by viewing live feed
Answered by AI
Add your answer

..............................

...................................

Q1. Java ,oops,DBMS,data structure
Add your answer
Q2. Diff between throw and throws Diff between class and interface
Ans. 
throw vs throws and class vs interface
• throw is used to explicitly throw an exception in a method while throws is used to declare the exception that a method may throw

• class is a blueprint for creating objects while interface is a collection of abstract methods that can be implemented by a class

• throw is followed by an exception object while throws is followed by the name of the exception class

• a class can have constructor...read more
Answered by AI
Add your answer