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SQL Clone Database Example

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Welcome readers, in this tutorial, we feature a comprehensive article in SQL clone database. Specifically we will understand how to clone an existing database and its content. 1. Introduction In SQL, Database Cloning represents a feature of ensuring backup of all or specific databases. The feature is implemented for purposes, Data restore that was mistakenly modified or deleted For application ...

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Java List Example

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1. List Interface In this post, we feature a comprehensive article on Java List. We are going to check in-depth the java.lang.List in Java. We are also going to see some methods that are declared in the Collection interface which allow you to add an element, sort it, find the size, and remove an element (or elements) from a list ...

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Access Modifiers in Java Example

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In this post, we will talk about the types of Access Modifiers in Java, which are private, default, protected, and public. Generally, there are two types of modifiers in Java: access modifiers and non-access modifiers. The access modifiers specify accessibility (scope) of a class, constructor, variable, method, or data member. 1. Access Modifiers in Java – Types We have 4 ...

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SQL Primary Key Example

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Welcome readers, in this tutorial, we will understand the SQL Primary Key column that uniquely identifies a tuple in the database table. 1. Introduction SQL Primary Key is a column or multiple columns that uniquely identify a tuple in the database table. It contains unique values but cannot have null or duplicate It consists of multiple columns known as a ...

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Java Interface Example

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In this post, we feature a comprehensive Java Interface Example. You can also check this tutorial in the following video: Java Interface Example – video 1. Introduction Java interface is an abstract type that defines methods that classes must implement. It can contain constants, abstract method signatures, default methods along with an implementation body, static methods along with an implementation ...

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Java Date Format Example

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In this article, we will check the options available on Java Date Format. We are going to create a Java date formatter example. 1. Introduction Java has multiple packages providing various utility functions to make developer’s job easier. One such is the java.text package which includes utility classes for parsing and formatting numbers and dates, along with utility classes for ...

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Spring Boot HATEOAS in REST API Example

Welcome readers, in this tutorial, we will implement the HATEOAS principle to REST resources in a spring boot application. 1. Introduction Spring Boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready code It creates applications that are packaged as jar and are directly started using embedded servlet container (such as ...

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Ternary Operator Java Example

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1. Introduction The word “ternary“, in mathematical terms, is an operation that takes 3 variables and, when combined, produces a single output. In Java, as in other languages such as JavaScript or Python, the ternary, or conditional operator, is the only operator that takes 3 operands and produces a value. In this example we will examine the syntax and the ...

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Binary Search Tree Java Example

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In this post, we feature a comprehensive Binary Search Tree Java Example. 1. Introduction A binary tree is a recursive data structure where each node can have at most two children. A Binary Search Tree (BST) is a special type of binary tree which has the following properties: The left sub-tree of a node contains the nodes with the key’s ...

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Spring Cloud Zuul Gateway Example

Welcome readers, in this tutorial, we will explore an interesting and the last Spring Cloud component known as Zuul Gateway to implement a gateway for the microservices. 1. Introduction Spring Boot is a module that provides rapid application development feature to the spring framework including auto-configuration, standalone-code, and production-ready code It creates applications that are packaged as jar and are ...

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