Zscaler Softech Java Developer Interview Questions and Answers

Q1. About project of previous company
Add your answer
Q2. Check palindrome and odd of given number
Add your answer

Q1. Goals for the future
Ans. 
To become a senior Java developer and contribute to innovative projects in a collaborative team environment.
• Continue learning new technologies and best practices in Java development

• Work on challenging projects to enhance problem-solving skills

• Collaborate with team members to share knowledge and improve code quality
Answered by AI
Add your answer
Q2. How do you think you can impact our company
Ans. 
I believe my strong Java skills and problem-solving abilities can positively impact the company by improving efficiency and developing innovative solutions.
• I have experience in developing efficient and scalable Java applications, which can help streamline processes within the company.

• I am skilled in identifying and solving complex technical issues, which can contribute to the overall success of projects.

• I am proactive ...read more
Answered by AI
Add your answer

Q1. Try, catch, finally...
Add your answer
Q2. HTTP families (400,200,500)
Add your answer

Q1. Dsa question, I don’t remember
Add your answer
Q2. Check if the sentence is palindrome or not
Ans. 
To check if a sentence is a palindrome, compare it with its reverse form.
• Remove all non-alphanumeric characters and convert the sentence to lowercase.

• Reverse the sentence and compare it with the original sentence to check for palindrome.

• Example: 'A man, a plan, a canal, Panama' becomes 'amanaplanacanalpanama' after removing non-alphanumeric characters and converting to lowercase.
Answered by AI
Add your answer

Q1. Discussion was on Binary tree and tree traversal. Asked me to write binary tree complete program to insert amd traversal of binary tree with few changes on how to insert.
Add your answer
Q2. In depth discussion on my experience my projects.
Add your answer

Q1. Java, sql ,springboot
Add your answer

Reverse string code and reverse array code

Q1. Basic of java, pillar of oops, collection, exception handling etc.
Add your answer
Q2. What isinheritance
Ans. 
Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Example: Class 'Car' can inherit from class 'Vehicle' and inherit properties like 'speed' and methods like 'drive()'
Answered by AI
Add your answer
Q3. What is encapsulation
Ans. 
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit, known as a class.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for better control over the data by preventing direct modification from outside the class.

• Access to the data is provided through methods, which can enforce validation rules and ensure data integrity.

• Ex...read more
Answered by AI
Add your answer
Q4. What is polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Animal superclass with Dog and Cat subclasses. Both Dog and Cat can be treated as Animals.
Answered by AI
Add your answer
Q5. What is abstraction
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary features to the user.
• Abstraction allows developers to focus on what an object does rather than how it does it

• It helps in reducing complexity and improving code readability

• Example: In Java, abstract classes and interfaces are used to achieve abstraction
Answered by AI
Add your answer

Q1. Easy Questions - Oops Concept . real life examples Abstract Class Inheritance difference Final vs immutable Spring Concepts - dependency injection,about @autowired
Add your answer

Q1. English Test - Speaking Fluent Eglish
Add your answer

Polymorphism ,table print ,reverse

Reasoning, english synonyms,math, opposite words

Oops ,collection, thread, Servlet ,JSP, databases