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Tag: java

It says Process Finished but there is no output

I’m new to java and I’m having a little problem with my code. There’s no error and such, it just keeps saying process finished but no output was displayed. The filename is correct as I’ve checked. import java.nio.file.; import java.io.; Answer You are ignoring the exception and you don…

org.h2.jdbc.JdbcSQLSyntaxErrorException h2 database java

Exception in thread “main” org.h2.jdbc.JdbcSQLSyntaxErrorException: Syntax error in SQL statement “INSERT INTO SMTP_DATA(SMTP_SERVER, SMTP_USERNAME, SMTP_PASSWORD, SMTP_FROM, SMTP_TO) VALUES (DEMO.STMP.COM, DEMOUSERNAME, DEMOPASSWORD, FROMDEMO@[*]MAIL.COM, TODEMO@MAIL.COM);”; expected …

How to parse JsonObject without JsonArray?

I have an json like this: But I could not get string objects from “data” tag using volley because there is no any json array to foreach tag. I tired and I search so much examples. I could’nt find any solution from stacoverflow. Any one can help me? Answer I am not familiar with Volley, but a…

Java Spring REST Controller classes as runtime plugins

currently I want to implement a plugin system into my spring application. The idea is that there is a main spring application which monitors a folder for new jar files. When I put a new jar file in the folder then the main appliation should automatically lift up the RestController classes for usage without do…

Create a merged map with list of maps

I’m new to java so seeking help from experts. any help would be much appreciated, and a scope for me to learn new things. I want to create a List of maps(resultList) from a another list of maps(list) where a single map(keys) contains values which are keys to the list of maps(map1, map2, map3 … So …