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GitHub Actions is a platform that allows you to solve CI/CD tasks related to code in GitHub repositories. It automates reactions to events in the repository via scripted Workflows. This allows you to automatically check the project′s buildability and st
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publicclassOrderLine{privateString item;privateintquantity;privateBigDecimal unitPrice;// Constructors, Getters, Setters and toString} 4. Reading YAML We’re going to use Jackson’sObjectMapperto read our YAML file into anOrderobject, so let’s set that up now: mapper =newObjectMapper(newYAMLFac...
It all boils down to immutability or in any case the possibility thereof.Let’s rollback the time and go back to 1995 where we started at some point to create data structures where we would specify different things. We would define the fields, the getters, the setters, the properties, ...
Almost all value classes in the Java library e.g.String,Integer,Double,BigDecimalimplementcompareTo()to specify their natural sorting order. While overriding the compareTo method String is sorted lexicographically and Integers are sorted numerically. Just beware that it must inconsistent with the equals...
BigDecimal.valueOf(0.02), percentageDiscountCoupon.getPercentage() );Mapping polymorphic JSON objects with Jackson JsonTypeInfoAnother approach is using the Jackson @JsonTypeInfo to define the discriminator property that Kacson can use when reconstructing the Java object from its underlying JSON value....
Since its introduction in Java 8, the Stream API has become a staple of Java development. The basic operations like iterating, filtering, mapping sequences of elements are deceptively simple to use. But these can also be overused and fall into some common pitfalls. To get a better understandi...
Sending data via a writer is an operation that needs to be understood by the reader and also by the writer. Our only common command should be located here: @Builder public class AddSeriesEvent { String id; String name; Integer volumes; BigDecimal cashValue; Genre genre; ...( getters an...
scala> "foo".toInt java.lang.NumberFormatException: For input string: "foo" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) at java.lang.Integer.parseInt(Integer.java:449) ... more output here ... BigIntandBigDecimalinstances can also be created directly from strin...