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Tag: java

ResultSet to HashMap

I am trying to pass the output of a ResultSet to Java HashMap. While the Output1 is showing all the records(from the DB). The put command only takes the last value from the ResultSet in. Output1: Output2: How do I make the put command to iterate over the results from the ResultSet? Answer All your IDs are ide…

How to let javamail support http proxy

I found that javamail only support socks. Is there any solution I can use to support http proxy? Answer See the JavaMail FAQ: How do I configure JavaMail to work through my proxy server? … Without such a SOCKS server, if you want to use JavaMail to access mail servers outside the firewall indirectly, yo…

Using spring converter in @RequestBody

Is it possible to enforce Converter ( org.springframework.core.convert.converter.Converter) to finish json object mapping? Json code example: where somename – string, id – integer value mapping to : Converter code example: What I want to achieve is to map that json to the object which will have au…

Maven spring boot run debug with arguments

Usually I’m running my Spring Boot application with command: I want to set custom port to debug, so I can connect from eclipse. When I add arguments from example https://docs.spring.io/spring-boot/docs/1.1.2.RELEASE/maven-plugin/examples/run-debug.html it works but other arguments like server.port or pa…

Merge Map<String, List Java 8 Stream

I would like to merge two Map with JAVA 8 Stream: I try to use this implementation: However, this implementation only create a result like: Map<String, List<Object>> If one key is not contained in the mapGlobal, it would be added as a new key with the corresponding List of String. If the key is du…