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Ravi Vishwakarma

Ravi Vishwakarma 22-Apr-2025

Understanding list of coding principle

93

Ravi Vishwakarma

Ravi Vishwakarma 06-Mar-2025

What is a thread-safe collection, and why would you use one?

206

Ashutosh Kumar Verma

Ashutosh Kumar Verma 22-Jul-2024

What are the access modifiers and their scopes in Java?

591

Ashutosh Kumar Verma

Ashutosh Kumar Verma 19-Jul-2024

What is a HashMap and how does it work?

365

Ravi Vishwakarma

Ravi Vishwakarma 03-Jul-2024

Write a basic SELECT statement to retrieve data from a SQL Server table.

351

Mukul Goenka

Mukul Goenka 24-Nov-2021

What are finally and finalize in Java?

1066

Mukul Goenka

Mukul Goenka 24-Nov-2021

Which class is a superclass of all classes?

1115

Mukul Goenka

Mukul Goenka 23-Nov-2021

Can you tell the difference between equals() method and equality operator (==) in Java?

980

Mukul Goenka

Mukul Goenka 22-Nov-2021

Write a Java Program to check if any number is a magic number or not.

768

Mukul Goenka

Mukul Goenka 19-Nov-2021

Explain the use of final keyword in variable, method and class.

1742

Mukul Goenka

Mukul Goenka 18-Nov-2021

Tell us something about JIT compiler.

683

Mukul Goenka

Mukul Goenka 17-Nov-2021

How to remove Whitespaces from String in java?

672

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