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I appeared for an interview in Feb 2025, where I was asked the following questions.
Basic java which is like error or output
Pyramid like printing star or number
I applied via Recruitment Consulltant and was interviewed in Mar 2023. There were 5 interview rounds.
Java , array, simple java program
Top trending discussions
Multithreading is a programming technique that allows concurrent execution of two or more threads for improved performance.
Multithreading enables parallel execution, improving application responsiveness.
Java provides built-in support for multithreading through the Thread class and Runnable interface.
Example: A web server can handle multiple client requests simultaneously using threads.
Synchronization is crucial to prev...
JavaMail is an API for sending and receiving emails in Java applications, supporting various protocols like SMTP, IMAP, and POP3.
JavaMail API allows developers to send and receive emails programmatically.
It supports multiple protocols: SMTP for sending, IMAP and POP3 for receiving.
Example of sending an email using JavaMail: Properties props = new Properties(); props.put('mail.smtp.host', 'smtp.example.com'); ...
Yes, the size of an int in Java is indeed 4 bytes (32 bits).
An int in Java can hold values ranging from -2,147,483,648 to 2,147,483,647.
The size of an int can be confirmed using the 'Integer.SIZE' constant in Java.
Using 'Integer.BYTES' will give the size of an int in bytes.
Yes, the default value of an int in Java is 0.
In Java, when an int variable is declared but not initialized, it will have a default value of 0.
For example, int num; will have a default value of 0.
This default value is assigned by the Java Virtual Machine (JVM) when memory is allocated for the variable.
The static keyword in Java is used to create class-level variables and methods that can be accessed without creating an instance of the class.
Static variables are shared among all instances of a class.
Static methods can be called without creating an instance of the class.
Static blocks are used to initialize static variables.
Static keyword can also be used to create static nested classes.
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