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Basic Java and Query questions for Java Developer position.
OOPs concept helps in creating modular, reusable and maintainable code.
Polymorphism is the ability of an object to take on many forms.
JVM stands for Java Virtual Machine, which executes Java bytecode.
Database connection coding in Java involves creating a connection object, setting connection properties, and executing SQL queries.
JOIN is used to combine rows fro...
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple
I applied via Naukri.com and was interviewed in Jun 2021. There was 1 interview round.
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