Tuesday, January 31, 2023

How to Create Auto Incremented Identity Column in SQL Server, MySQL, and Oracle? Example

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Automatic incremented ID, Sequence, or Identity columns are those columns in any table whose value is automatically incremented by databas...
2 comments:

Top 10 Oracle Interview Question and Answer - Database and SQL

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These are some interview questions and answers asked during my recent interview. Oracle interview questions are very important during any ...
11 comments:
Thursday, January 26, 2023

Difference between SubStr vs SubString function in JavaScript - Tutorial Example

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Hello guys, if you are wondering what is difference between SubStr() and SubString() function in JavaScript then you have come to the righ...
3 comments:
Monday, January 23, 2023

What is a Functional interface in Java 8? @FunctionalInterface Annotation Examples Tutorial

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Hello Java programmers, if you are wondering what is a functional interface and what is the role of @Functional annotation in Java then you ...
10 comments:
Friday, January 20, 2023

Strategy Design Pattern in Java using Enum - Tutorial Example

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Hello guys, how are you doing? I hope you all are fine and doing good in your life and career. Today, I am going to talk about the Strategy...
5 comments:
Wednesday, December 7, 2022

Is Java Pass by Value or Pass by Reference? Example

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Hello guys, Does Java is pass by value or pass by reference is one of the tricky Java questions mostly asked on both beginner and exp...
16 comments:
Wednesday, September 21, 2022

Difference between CAST, CONVERT, and PARSE SQL Server? Example Tutorial

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Though all three, CAST, CONVERT, and PARSE are used to convert one data type into another in SQL Server, there are some subtle differences ...
Tuesday, August 30, 2022

Difference between @Mock and @MockBean in Spring Boot? Example Tutorial

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Hello guys, if you are writing test for your your Spring Boot application then Sooner or later, you'll come across @Mock and...
Saturday, August 27, 2022

Difference between State and Strategy Design Pattern in Java

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Hello guys, if you are wondering what is difference between State and Strategy pattern in Java then you are at the right place. In order to ...
5 comments:

Decorator Design Pattern in Java with Example Java Tutorial

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Hello guys, if you want to learn about Decorator design pattern in Java then you are at the right place. I was thinking to write on de...
12 comments:

Data Access Object (DAO) design pattern in Java - Tutorial Example

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Data Access Object or DAO design pattern is a popular design pattern to implement the persistence layer of Java application. DAO pattern i...
8 comments:
Thursday, August 25, 2022

How to Convert a Map to a List in Java - Example Tutorial

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Hello guys, if you are wondering how to convert a Map like HashMap or TreeMap to a List like ArrayList or LinkedList in Java then you are ...
3 comments:
Wednesday, August 24, 2022

How to use mkdir command to make directories in Linux and UNIX? mkdir -p Example

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One of the most common tasks in any Linux is creating directories, and most of us spend a lot of time creating complex directory structures...
5 comments:
Tuesday, August 23, 2022

How hostname to IP address Conversion works in Linux? nslookup Example

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One of my favorite Linux Interview questions is about how to convert hostname to IP address in Linux? These questions not just test the ca...
6 comments:
Monday, August 22, 2022

How to Delete Empty Files and Directories in UNIX or Linux Host? find Command Example

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Deleting empty file and directory in Unix Hello guys, if you are wondering how to find and remove all empty files and directories from a...
3 comments: