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Java 8 Convert Instant to ZonedDateTime
Java 8 examples to show you how to convert from Instant to ZonedDateTime
Date: 2019-08-17 View: 1520
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Java Thread Mutex and Semaphore example
Java multi threads example to show you how to use Semaphore and Mutex to limit the number of threads to access resources.
Date: 2019-08-11 View: 1520
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iText Read and Write PDF in Java
This article talks about reading and writing PDF using iText PDF library.
Date: 2019-08-11 View: 1520
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Java 8 Math Exact examples
Java 8 introduced new methods in the Math class that will throw an ArithmeticException to handle overflows. These methods consist of addExact, substractExact, multiplyExact, incrementExact, decrementExact and negateExact with int and long arguments. In addition, there’s a static toIntExact method to convert a long value to an int that also throws ArithmeticException.
Date: 2019-08-11 View: 1520
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Java Digital Signatures example
In Asymmetric Cryptography example we discussed the use of Public Key Pair in Cryptography. Another important use of the Public Key Infrastructure is in Digital Signatures. Digital Signatures are the digital equivalent of handwritten signatures with one important difference; they are not unique but come as a product of the message.
Date: 2019-08-11 View: 1520
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JavaFX Animated Ball Example
The Bouncing Ball is the “Hello World” of animations in JavaFx. It’s simple to write, easy to understand and reveals the potential of JavaFx even from this primitive stage.
Date: 2019-08-11 View: 1520
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How to convert JavaScript Array to JSON
In JavaScript, you can use JSON.stringify to convert an array or values into a JSON formatted string.
Date: 2019-08-11 View: 1520
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Java 8 Optional In Depth
Java 8 has introduced a new class Optional in java.util package. It is used to represent a value is present or absent. The main advantage of this new construct is that No more too many null checks and NullPointerException. It avoids any runtime NullPointerExceptions and supports us in developing clean and neat Java APIs or Applications. Like Collections and arrays, it is also a Container to hold at most one value. Let us explore this new construct with some useful examples.
Date: 2019-08-11 View: 1520
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Spring Boot + Spring Data JPA + Java 8 date and time (JSR310)
In Spring Boot + Spring Data JPA application, to support the JSR310 java.time.* APIs, we need to register this Jsr310JpaConverters manually.
Date: 2019-08-11 View: 1520
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Java How to download a file from the Internet
This article shows you how to download a file from an URL by using the following methods :
Date: 2019-08-11 View: 1520
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Java 8 Tutorials
Some Java 8 examples, hope you like it.
Date: 2019-08-11 View: 1520
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Java 8 Streams map() examples
In Java 8, stream().map() lets you convert an object to something else. Review the following examples :
Date: 2019-08-11 View: 1520
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Java Convert comma-separated String to a List
Java examples to show you how to convert a comma-separated String into a List and vice versa.
Date: 2019-08-11 View: 1520
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How to tell Maven to use Java 8
In pom.xml, defined this maven.compiler.source properties to tell Maven to use Java 8 to compile the project.
Date: 2019-08-11 View: 1520
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PDFBox How to read PDF file in Java
This article shows you how to use Apache PDFBox to read a PDF file in Java.
Date: 2019-08-11 View: 1520