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In Java How to sort a Map on Value?  There are number of ways. Here we will follow below steps. [crayon-5f28bb6af2b99911530728/] An object that maps keys to values. A map cannot contain duplicate keys; each key can map to at-most one value. HashMap to ArrayList? The Map interface provides three collection views, which allow a map's contents to be ...
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Ever wonder how to show previous post and next post on your single WordPress post? Sometime back we have published an article on the same on how to add previous next button with nice CSS. Kindly follow this tutorial first. Do you have any of ...
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IntelliJ IDEA is no doubt one of the best Java IDE out there. On Crunchify, we have published number of articles on Eclipse IDE and how to generate Maven project and run your complete end to end enterprise grade application. In this tutorial we ...
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Today while running my Java Program I got below error in IntelliJ IDEA. [crayon-5f28bb6b0007c105818744/] In addition to above problem, do you have any of below errors? IntelliJ IDEA 2020.1 unable to compile with java 7 Error:java: invalid ...
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On Java, we have published How to Convert Current Time to Epoch Time and How to Calculate the Difference Between Two Java Date Instances tutorials sometime back. In this tutorial we will go over all of below Java Date and Calendar ...
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How to send TLS1.3 HTTPs request to your domain and print response? SSLSocket class extends Sockets and provides secure socket using protocols such as the "Secure Sockets Layer" (SSL) or IETF "Transport Layer Security" (TLS) protocols. In this ...
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As by now you probably know, I've been working on Ansible a lot lately. In this tutorial we will go over how to terminate all AWS EC2 instances programmatically using Ansible script. Before you go over this tutorial, make sure you have setup ...
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In this tutorial we will go over Lock(), UnLock(), ReentrantLock(), TryLock() and how it's different from Synchronized Block in Java. If you have also below questions then you are at right place. Locks in Java Java Lock Example and ...
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Java 8 has so many new functionalities and collection of features which are hidden inside packages. In this tutorial we will go over java.nio.file.Path interface. Path is an object that may be used to locate a file in a file system. It will ...
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