difference b/w interface and abstract class ? when to use what ?
Java Software Developer Interview Questions
3,069 java software developer interview questions shared by candidates
Design Singleton class ? prevent it from reflection, cloning, serialization
Given two coding challenges which we need to solve in any of our preferred IDE. The questions were easy. A couple of behavioral questions and follow up questions
1. Systems design question on e-commerce. 2. Pairs of songs divisible by 60 leetcode.
what is functional interface
Core Java and technologies mentioned in cv.
Multithreading
serialization and deserialization in java
1)First inteviewer asked me to explain all technial skills and current domain. During the interview, interviewer showed me around 10 different code snippets and asked me to guess the output, these code snippets were related to basic java sytax and rules. 2)After that interviewer asked me to explain all principles of core java oops with real time example. 3)Types of iterator in java 4)Difference between fail fast and fail safe 5)Sql query for finding highest salary of employee 6)String manipulation program finding length of string without using .length and foreach loop. 7)Concurrent modification exception 8)Internal working of hashmap 9)collision 10)which java fearures do you use in your current project
How to find the middle element of a linked list
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