Core Java, Sql Questions
Junior Java Interview Questions
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What is OOP? What are the main principles of OOP?What is "SQL"?What are the SQL statements?
Task one with some basic java coding Task two with REST API.
You are given a string with Alphabet set B,D,U and H. This string will be considered steady if each of letter occurs only n/4 times. For Example HBDU and BBHUHDDU both are steady strings. Now your job is to make a string steady if not by replacing substring of input string and replace it with any string of the same length. It can be a empty string also. Return the length of the minimum length substring that can be replaced to make string stable EXAMPLE: Input: HBBBUBBB Output: 5 Explanation: One optimal solution is to replace BBBUB with UUDDH resulting in HUUDDHBB
What do you understand by polymorphism?
Explain how you would design and implement a questionnaire android app for a tablet in a chain of stores. Explain your reasoning behind the deadline that you would come up with
Explain how you would design and implement a questionnaire android app for a tablet in a chain of stores. Explain your reasoning behind the deadline that you would come up with
Describe what is a collection in java, list some of them, explain the difference between LinkedList and ArrayList
List and explain some design patterns in java
String, StringBuilder, Stringbuffer code example Encapsulation and one demo example Abstraction and one demo example Hashing HashCode Equals MVC SpringBoot and hibernate basics
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