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43 "INTERN POSITION" Questions for 70 mins: (questions are long btw) Classes: Statics keywords Class Enum Generic classes Overloading var-arg methods packages anonymous classes etc. OOP: Inheritance super class abstract final classes instance of operator pattern/matching override methods dynamic polymorphism class object Exceptions&errors: checkecd&unchecked exceptions&errors&Custom exceptions multi - catch method that throws an exception Lambda&Stream: Intermediate operations Method references Collectors operations - Decomposition, concatenation, reduction Terminal Operations intStream doubleStream Lambda Experessions String Handling: Create manipulate Strings text blocks StringBuilder StringBuffer Regular Expressions I|O: Read and write file data I|O Streams Serialization and externalization Collections: List&Deque.Add, remove update sort iteration etc Set , Map Collections Base JDBC: Drivers and Connections Basic prepared callable statements Process query results Control transactions ACID Design Patterns: Creational Structural Behavioral Patterns Spring: Core Data Access MVC Web Boot Please ask these "INTERN" topics to Senior Dev friends and ask their opions.
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Intern Fullstack Developer

Interviewed at EPAM Systems

4★
Sep 17, 2023

43 "INTERN POSITION" Questions for 70 mins: (questions are long btw) Classes: Statics keywords Class Enum Generic classes Overloading var-arg methods packages anonymous classes etc. OOP: Inheritance super class abstract final classes instance of operator pattern/matching override methods dynamic polymorphism class object Exceptions&errors: checkecd&unchecked exceptions&errors&Custom exceptions multi - catch method that throws an exception Lambda&Stream: Intermediate operations Method references Collectors operations - Decomposition, concatenation, reduction Terminal Operations intStream doubleStream Lambda Experessions String Handling: Create manipulate Strings text blocks StringBuilder StringBuffer Regular Expressions I|O: Read and write file data I|O Streams Serialization and externalization Collections: List&Deque.Add, remove update sort iteration etc Set , Map Collections Base JDBC: Drivers and Connections Basic prepared callable statements Process query results Control transactions ACID Design Patterns: Creational Structural Behavioral Patterns Spring: Core Data Access MVC Web Boot Please ask these "INTERN" topics to Senior Dev friends and ask their opions.

Given a n*n matrix, assume 4*4 and it's all filled with red balls initially, upon the first click, the first ball changes to blue, a click on second ball changes it to blue, however a click on the third ball, changes it to blue and returns the first ball to red. Code the following in HTML,CSS,JS.
avatar

Software Developer Intern

Interviewed at Sigaram

4.4★
Aug 14, 2020

Given a n*n matrix, assume 4*4 and it's all filled with red balls initially, upon the first click, the first ball changes to blue, a click on second ball changes it to blue, however a click on the third ball, changes it to blue and returns the first ball to red. Code the following in HTML,CSS,JS.

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