Catégorie : Java

How to use AWS SDK Clients in Spring Boot environment with externalized properties

février 26, 2021

Intro As Java developer i’ve seen many methods that devers uses to interact with AWS SDK in the Spring Boot environment, but i prefer this style among all others xD Normally, when using AWS SDK for Java clients in Spring environment, i advise you to use each client as a bean, write Java configuration as follows. AWS SDK Client in Spring environment … Lire la suite How to use AWS SDK Clients in Spring Boot environment with externalized properties

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operators – Difference between & and && in Java?

juin 21, 2018

  let’s suppose that the startDate is null   if(element.getStartDate()!=null & element.getStartDate().length()>0){ //Treatment1 is not executed a nullPointerException is fired } & ,tests both left and right operand even if the left is false in this example if we use the &&  » wich controle the right and the left operand » we can get a … Lire la suite operators – Difference between & and && in Java?

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GET PROPERTIES FILE KEY/VALUES in java

avril 25, 2018

The properties file needs to reside anywhere on the classpath (use src/main/java) 1) create this class and pass the name of your properties file   This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden … Lire la suite GET PROPERTIES FILE KEY/VALUES in java

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Play with the AmazonServiceException (and Subclasses) response in Api Gateway integration response

mars 15, 2018

AmazonServiceException (and Subclasses) AmazonServiceException is the most common exception that you’ll experience when using the AWS SDK for Java. This exception represents an error response from an AWS service. For example, if you try to terminate an Amazon EC2 instance that doesn’t exist, EC2 will return an error response and all the details of that error … Lire la suite Play with the AmazonServiceException (and Subclasses) response in Api Gateway integration response

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