Techno Exponent PHP Wordpress Developer Interview Questions and Answers

Basic java questions

Q1. Explain Linked list implementation and stack
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Linked list is a data structure where each element points to the next element. Stack is a data structure that follows Last In First Out (LIFO) principle.
• Linked list implementation involves creating nodes with data and a pointer to the next node.

• Stack implementation involves pushing elements onto the stack and popping them off in reverse order.

• Example: Linked list - 1 -> 2 -> 3 -> NULL, Stack - push(1), push(2), push(3)
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Q2. Oops concepts in java
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Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q1. Core java Java script Servlet jsp
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Q1. Servlet and jsp
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Q1. Salary discussion
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Aptitude + Coding Test. 27 basic Aptitude problems and 3 problem solving questions.

Q1. Technical Round 1 has questions based on databases. NoSql will be + point. UI technologies and basic data structures.
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Q1. Technical Round 2, follow-up from round 1. Some more questions on databases
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Q1. Questions on IOT and related
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Questions mainly from Linked list.

Q1. Basically coding round, with basic questions from arrays. One needs to have good communication skills to explain to interviewers.
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General asked aptitude
Focus most on profit lost, percentage

Q1. Asked mostly on core java bcz i was selected for trainee role and JavaScript along with bootstrap
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Q1. Asked DSA array, searching, sorting, linkedlist
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Questions from ratio and proportion, ship problems, profit and loss, time and work, problem of ages

It is a writing plus coding round. Two sections of writing with word count of 200 and 350 words. Coding section consists of 3 questions mostly based on for 1.5 hr.

Q1. Mainlyfocus on oops and basic core java question
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Q2. What is try catch and finally
Ans. 
try catch and finally are keywords used in exception handling in programming languages.
• try block contains the code that may throw an exception

• catch block catches the exception thrown by the try block and handles it

• finally block contains the code that is executed regardless of whether an exception is thrown or not

• try-catch-finally is used to handle errors and prevent program crashes

• Example: try { //code that may throw a...read more
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