Mastech Digital Java Developer Intern Interview Questions and Answers

To get daily updated data to your email, you can use automated scripts or tools that fetch the data and send it to your email address.

• Use a programming language like Python to write a script that fetches the data from a source and sends it to your email using SMTP.

• Utilize APIs provided by the data source to retrieve the data and then use an email service's API to send it to your email address.

• Use third-party tools like...read more

C is a general-purpose programming language known for its efficiency and low-level control.

• C was developed by Dennis Ritchie at Bell Labs in the 1970s.

• It is widely used for system programming, embedded systems, and developing operating systems.

• C is known for its simplicity, allowing direct memory manipulation and efficient code execution.

• It influenced the development of many other programming languages, such as C++, Ja

Java is a high-level programming language known for its platform independence and object-oriented approach.

• Java is widely used for developing desktop, web, and mobile applications.

• It is known for its write once, run anywhere (WORA) principle.

• Java programs are compiled into bytecode and executed on a Java Virtual Machine (JVM).

• It supports multithreading, exception handling, and automatic memory management.

• Popular framew...read more

Lambda is a function that allows you to write and use small, anonymous functions in programming languages.

• Lambda functions are often used in functional programming languages.

• They are anonymous, meaning they don't have a name.

• Lambdas can be used as arguments to higher-order functions.

• They are commonly used for tasks that require a short, one-time function.

• Lambda functions can be written in various programming languages,

Answers to questions related to Java connection query, showing all tables in SQL, and basic query in Linux.

• Java connection query is used to establish a connection between Java application and database.

• To show all tables in SQL, use the command 'SHOW TABLES;' or 'SELECT table_name FROM information_schema.tables WHERE table_schema = 'database_name';'

• Basic query in Linux includes commands like 'ls' to list files, 'cd' to ...read more