Recent questions tagged java

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java - How to apply spring boot filter based on URL pattern?

I have created a spring boot filter - implements GenericFilterBean with @Component annotation. @Component public class ... get it working? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to add servlet Filter with embedded jetty

I am embedding jetty into my app, and trying to work out how to add servlet filters (for cookie handling). The ... on this needs to be improved. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Create JSONObject from POJO

I created a simple POJO: public class LoginPojo { private String login_request = null; private String email = null; ... my POJO into a JSON? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android: How to send interface from one activity to another

I have an interface like this: public interface MyInterface { public void aMethod(); } My custom Object: public ... 't want to use fragment. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What does it mean when Statement.executeUpdate() returns -1?

A query that works in management studio and in the executeUpdatemakes that same executeUpdate return -1, which is ... return anything, correct? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Change unhandled exception auto-generated catch code in Eclipse?

If I have unhandled exception in Java, Eclipse proposes two options to me: (1) add throws declaration and (2) ... like to rethrow it by default. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - META-INF/services in JAR with Gradle

I wanted to build a plugin module that can be loaded with a ServiceLoader. This requires adding a file to the ... find the solution on my own. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to log the active configuration in a Spring Boot application?

I would really like to use YAML config for Spring Boot, as I find it quite readable and useful to have a ... could kill the start-up process. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Espresso click menu item

I have a menu in the actionbar which I create through: @Override public boolean onCreateOptionsMenu(Menu menu) { ... .support.v7.widget.Toolbar> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - android webview displaying blank page

I have an android application that I am developing using the emulator running on android 2.3.3 with an embedded ... results. Nothing. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to set timeout on client socket connection?

I am trying to set the timeout of a connection on the client socket in java. I have set a default connect ... it? Any sample code would help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to Avro Binary encode the JSON String using Apache Avro?

I am trying to avro binary encode my JSON String. Below is my JSON String and I have created a simple method ... JSON String is correct or not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Better understaning - Class.forName("com.mysql.jdbc.Driver").newInstance ();

I came across this helpful link with code which works perfectly when updated to hit against my web server. I can do ... is in my way. Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - SQL Error: ORA-02000: missing ALWAYS keyword when create identity column based table

I try to create an auto incremented column on a table and as I see in this post there are 2 ways, the ... an older version of Oracle, 11g. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - org.hibernate.internal.util.config.ConfigurationException: Could not locate cfg.xml resource [/HibernateTest/src/hibernate.cfg.xml]

I am trying to connect to Postgresql9.1 in ubuntu with pgadmin3. My Pgadmin3 GUI tool does not give any option to ... .java:226) ... 25 more See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How does Tomcat exactly bootstrap the app without web.xml?

I'm wondering how does Tomcat bootstrap my app on Spring MVC? I have an initializer: public class ... .html?is-external=true See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Sorting multiple attribute with Lambda Expressions

This is my list: Name: Ben || Age: 5 || Group: 1 Name: Andy || Age: 6 || Group: 2 Name: Charlie || ... (o2.getAge()) it's turned out error... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android: How to send http request via service every 10 seconds

I need to receive a status from the server every 10 seconds. I tried to do that by sending a http request via ... } } } Thank's alot Avi See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to convert Play Framework Models into XML and JSON?

Does the Play Framework have a Native or Recommended way of converting Play models into XML/JSON? Something ... Documentation on this subject? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Not getting automatically web.xml file while creating servlet in Eclipse Juno 4.2

I am using Eclipse Juno 4.2, Java 1.7 and Tomcat 7. But in my system when I create servlet the web.xml ... am going to create a dynamic project. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - @ManyToMany Relationship Between Three Tables

I have three separate entities in my Spring JPA application - User, Department, Role I have a single join table ... . Any help is appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Unsupported major.minor version on Mac OS X El Capitan

Following the solutions online for Major Minor version of Java being incorrect on El Capitan, I saw several solutions ... in OS X El Capitan. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Collision Detection with MANY objects

I mainly focused on the Graphics aspects to create a little 2DGame. I've watched/looked at several tutorials but none ... ; wallCount++; } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to determine field-type for SOLR indexing?

I have two table fields in a MySQL table. One is VARCHAR and is a "headline" for a classified (classifieds ... is a random number chosen) Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Tomcat and Eclipse Zero Turnaround Deployment

I want to be able to deploy code changes to Tomcat (near instantly), while I'm developing in Eclipse. So far ... , on the same port etc. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Unable to declare static variable inside of static method

class Foo { public Foo() { } } class Bar { static Foo foo = new Foo(); // This is legal... ... a static variable inside of a static function? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Understanding method signature in NoSuchMethod exception

I got this exception but resolved it. java.lang.NoSuchMethodError: antlr.NoViableAltForCharException.<init> (CLjava/lang/ ... class?? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What are the differences between the three methods of code coverage analysis?

This sonar page basically lists the various methods employed by different code coverage analysis tools: Source code ... please explain why? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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