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Happiest Minds Technologies
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I applied via Naukri.com and was interviewed in Mar 2024. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
This program sorts the characters of a string in descending order.
Convert the string to a character array
Sort the character array in descending order
Convert the sorted character array back to a string
Java Developer interview questions on beans, functional interfaces, SQL queries, hibernate, and more.
Scope of beans refers to the visibility of a bean within an application context.
Functional interfaces have only one abstract method and can be used as lambda expressions.
Classes cannot be private, but their constructors can be.
SQL query to find employees of a particular department table: SELECT * FROM employees WHERE de...
I applied via Approached by Company and was interviewed before Oct 2022. There were 4 interview rounds.
Recursion of prime number
What people are saying about Happiest Minds Technologies
I applied via Walk-in and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.
I was interviewed in Mar 2021.
I applied via Naukri.com and was interviewed in Dec 2020. There was 1 interview round.
Keywords for thread safe program in Java
Synchronization using synchronized keyword
Using volatile keyword for shared variables
Using atomic classes for thread safe operations
Using thread safe collections like ConcurrentHashMap
Using locks and semaphores for synchronization
Avoiding shared mutable state
Using immutable objects
Using thread local variables
Class modification exception occurs when a class is modified after it has been loaded by the JVM.
This exception is thrown when a class is modified and then reloaded by the JVM.
It can occur when a class is modified during runtime or when a new version of a class is loaded.
This exception can be avoided by using a class loader that isolates the classes from each other.
An example of this exception is when a method is added...
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