Associate Product Engineer Interview Questions and Answers for Freshers

Yes, I know SQL and can write a query to select rows in a database table.

• Yes, I am proficient in SQL and can write queries to retrieve specific data from database tables.

• I can use SELECT statement along with WHERE clause to filter rows based on specified conditions.

• For example, SELECT * FROM table_name WHERE condition;

• I can also use ORDER BY, GROUP BY, and JOIN clauses to further refine the query results.

JavaScript is a programming language commonly used for web development. It is different from Java in terms of syntax, purpose, and usage.

• JavaScript is a scripting language primarily used for client-side web development.

• Java is a general-purpose programming language often used for server-side applications.

• JavaScript code is executed on the client's browser, while Java code is executed on the server.

• JavaScript is dynamically typed, while Java is statically typed.

• JavaScript is o...read more

Java is a compiled language.

• Java code is compiled into bytecode by the Java compiler.

• The bytecode is then interpreted and executed by the Java Virtual Machine (JVM).

• This combination of compilation and interpretation makes Java a compiled language.

The different types of access modifiers in Java control the visibility and accessibility of classes, methods, and variables.

• There are four types of access modifiers in Java: public, private, protected, and default (no modifier).

• Public: accessible from any other class.

• Private: accessible only within the same class.

• Protected: accessible within the same package and subclasses.

• Default: accessible only within the same package.