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Java 8 Functional Interfaces Introduction Example

Hello readers! In this tutorial, we will learn the amazing feature of Java 8 Functional Interfaces. 1. Introduction To achieve the benefits of functional programming in Java, JDK developers introduced Functional Interfaces/Single Abstract Method (SAM) Interfaces in Java 8 programming. A functional interface is an interface that has only one abstract method A functional interface can have multiple default and ...

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Java Thread sleep Example

In this article we are going to get an in depth understanding of: What is a thread in java?What is the use of sleep() in java thread based execution?Important points to remember while using Thread.sleep().How Thread.sleep() works. 1. What is a thread in Java Lets start with what the thread exactly is and how it is supported in Java. Thread ...

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JAX-WS Hibernate Example

In this example, we feature a comprehensive article on JAX-WS Hibernate. We will demonstrate how to create a SOAP-based web service that uses Hibernate to read data from a database. 1. Introduction Java API for XML Web Services (JAX-WS) is a technology for developing SOAP-based web services and clients. The API includes annotations for defining web service endpoints, service implementation beans, ...

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Java String vs StringBuffer vs StringBuilder Example

1. Introduction In this post, we feature a comprehensive article on Java String vs StringBuffer vs StringBuilder. In an in-depth analysis we will feature how to create Strings and modify string objects using String class, StringBuffer class and StringBuilder class. 2. Java String vs StringBuffer vs StringBuilder 2.1 Prerequisites Java 7 or 8 is required on the linux, windows or ...

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Java printf() Method Example

1. Introduction In this post, we feature a comprehensive article on Java printf() Method. Java PrintStream class has provided the printf method to write a formatted string to the PrintStream object since version 5. Here are the method’s signatures: public PrintStream printf(Locale l, String format, Object... args) public PrintStream printf(String format, Object... args) l – a locale to apply during ...

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Java 8 Lambda Expressions Introduction Example

Hello readers! In this tutorial, we feature a comprehensive article on Java 8 Lambda Expressions.  1. Introduction To achieve the benefits of functional programming in Java, JDK developers introduced Lambda Expressions in Java 8 programming. A lambda expression is a nameless function which does not have the name, return type, and access modifiers A lambda expression instance can be assigned ...

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SQL Clone Database Example

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

1. List Interface In this post, we feature a comprehensive article on Java List. We are going to go in depth of java.lang.List in java. 2. List in Collection Hierarchy There are four concrete implementation classes in for List interface in java. List interface extends the Collection interface for some common operation to be supported by all implementation classes with ...

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SQL Primary Key Example

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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