Questions tagged as 'java'

Tagged questions
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OrderBy does not work in java

I have the following structure: a contract, has several additives so I have my contract class and my additive class In the contract class, I call it: @OneToMany(mappedBy = "contrato", fetch = FetchType.EAGER, cascade = CascadeType.ALL) priv...
asked by 19.05.2017 / 18:28
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Hibernate documentation code is unclear

My question is regarding a code that is in the Hibernate documentation. I just could not understand the notation they used in the criteria.where () part. Just notice how it was put: Person_.name . Can someone explain me? Here's the snippet...
asked by 28.04.2017 / 02:47
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Save IntelliJ project as .java

I started a week of programming, but I'm not in the IT field and it's what's making learning difficult for me. I would like to know if you have any help in this first obstacle. The teacher asked to create a project that would allow us to writ...
asked by 08.05.2017 / 19:39
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Increase amount of equal service

I have a table with the service code, service, quantity, value, and total. When I add in the table an ITEM 1 for example, the data of this service will be added to the table. But if I add again this same ITEM 1 in the table, I wanted to increase...
asked by 08.05.2017 / 19:13
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Close screen through JMenuItem

I'm doing a simple system of registering students and teachers and wanted to interact with a JMenuItem called exit , the program closed. I made the whole algorithm, but with that exclamation informing me that my ActionPerformed method...
asked by 07.05.2017 / 20:44
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Invalid value: For input string:

Error updating, the value of the field must be the FK code for the foreign key, in the INPUT of the form the value br.com.tkcsapcd.model.bean.ProjectInicio@7adacc20, value="$ { "Should something be modified?                                   ...
asked by 25.04.2017 / 23:12
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How to write this bean xml using java?

<bean id="templateEngine" class="org.thymeleaf.spring4.SpringTemplateEngine"> ... <property name="additionalDialects"> <set> <!-- Note the package would change to 'springsecurity3...
asked by 28.04.2017 / 21:22
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Problems with web.xml file

Warning: selected war files include a WEB-INF/web.xml which will be ignored (webxml attribute is missing from war task, or ignoreWebxml attribute is specified as 'true') I'm using Netbeans to work with a Spring project and so far I had not en...
asked by 29.04.2017 / 15:49
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Web View with zoom

I have a web view being loaded on screen (mounted by an internal HTML) that sometimes opens with zoom and others without the zoom . I do not want it to open with zoom , I need it to open in full screen! Here the layout snippet <Li...
asked by 27.04.2017 / 01:41
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Return person and phone list

I have an entity called Pessoa . This entity has a list of phones of the Telefone entity. How do I get the person's information and popular that person's phone list in select with only hql ? When using the query...
asked by 26.04.2017 / 19:10