Recent questions tagged Java

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java - Gradle: Override transitive dependency by version classifier

One of the dependencies declared in my project has a transitive dependency on 'com.google.guava:guava:15.0'. But ... this issue can be tackled. 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 - Read environment variable in SpringBoot

What is the best way to read environment variables in SpringBoot? In Java I did it using: String foo = ... do it using @Value annotation? 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 - Difference between junit-jupiter-api and junit-jupiter-engine

What's the difference between maven modules junit-jupiter-api and junit-jupiter-engine? Is it necessary to include ... on junit-vintage-engine? 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 Programmatically Scroll a ScrollView to Bottom

I've a problem I can't solve: inside a ScrollView I only have a LinearLayout. By a user action I'm ... a ScrollView after adding some elements? 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 do I resize an imageview image in javafx?

I need to resize an image to specific dimensions, 100 by 100 pixels for example, in JavaFX. How can I ... class be used for this purpose? 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 - Why is my keyboard messed up in Eclipse?

I am trying to type in a pair of angle brackets in Eclipse, like "<>". However it shows up as a single ... it back? Thanks in advance. Xi 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 - Intellij generate javadoc for methods and classes

Is it possible to set up Intellij to generate javadoc for methods and classes, automatically, with @author and @since date ... , #IC-90.96. TIA. 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 create a new maven hello-world project

I am looking at few maven tutorial videos and then I ran into this command after installing maven: mvn archetype: ... as an user in Ubuntu. 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 - Cyclic inheritance when implementing inner interface in enum

I have the following implementation that gives a compiler error: public enum FusionStat implements ... inside safeCreateBuilder. 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 - Is Joda-Time DateTimeFormatter class thread safe?

Is the Joda-Time DateTimeFormatter class thread safe? Once I get an instance from DateTimeFormat.forPattern, can ... mention of thread safety. See Question&Answers more detail:os...

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

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392 views

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java - Removing all fraction symbols like “¼” and “½” from a string

I need to modify strings similar to "? cups of sugar" to "cups of sugar", meaning replacing all ... possible fraction symbol out there? 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 - junit: no tests found

I have inherited a Java project and am new to Java development. I feel a good way for me to get comfortable with ... error and how do I fix it? See Question&Answers more detail:os...

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

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348 views

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java - Where is the application.properties file in a Spring Boot project?

I started a new Spring boot project, I want to change the port number and I read that I have to modify the / ... would that be? Thanks a lot! 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 - default value for CascadeType in Hibernate

I am using Hibernate to persist this bean. import javax.persistence.*; @Entity public class Person { @Id ... the CascadeType for addr? 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 do I invoke two different profiles in one maven command?

I have two profiles for different environments in pom.xml, I have to run mvn -PTest1 install and mvn - ... hudson job using single command See Question&Answers more detail:os...

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

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183 views

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java - Android Fatal Signal 11

In the app I'm developing on Android, I keep getting a Fatal Signal 11 error. I think it's something to do ... (SIGSEGV) at 0x00000000 (code=1) See Question&Answers more detail:os...

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

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217 views

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java - Removing time from a Date object?

I want to remove time from Date object. DateFormat df; String date; df = new SimpleDateFormat("dd/MM/yyyy"); d ... want is simply "21/03/2012". See Question&Answers more detail:os...

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

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180 views

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java - IntelliJ collapsing single line methods

Since I've updated my version of intelliJ (14.x to 15.x) it has started automatically collapsing single line ... easier on the eyes! 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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286 views

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java - Getting the name of a sub-class from within a super-class

Let's say I have a base class named Entity. In that class, I have a static method to retrieve the class ... suggestions on how to approach this? 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 obtain the end of the day when given a LocalDate?

How to obtain the end of the day when given a LocalDate? I could get it by doing LocalDateTime.of(LocalDate.now ... atEndOfDay(); //doesn't work 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 - Alternative for String.join in Android?

I want to concatenate an ArrayList with commas as separators. I found this answer, stating it's possible to use String ... of using a for loop)? See Question&Answers more detail:os...

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

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874 views

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java - How to exclude property from Lombok builder?

I have a class called as "XYZClientWrapper" , which have following structure: @Builder XYZClientWrapper{ String name ... supports such use case? See Question&Answers more detail:os...

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

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455 views

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java - Eclipse cursor changes to crosshair

I was working in Eclipse Java EE IDE. While using it, mouse cursor changes to cross-hair. Now its displaying ... editors. Where to change it? See Question&Answers more detail:os...

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

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536 views

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java - Why do Double.parseDouble(null) and Integer.parseInt(null) throw different exceptions?

Why do Double.parseDouble(null) and Integer.parseInt(null) throw different exceptions? Is this a ... throws java.lang.NullPointerException 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 use `string.startsWith()` method ignoring the case?

I want to use string.startsWith() method but ignoring the case. Suppose I have String "Session" and I use ... . How can I achieve this? See Question&Answers more detail:os...

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

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229 views

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java - Getting the current GPS location on Android

I'm trying to get the user's current location via GPS capability, Wrote a simple class that implements ... t figure out the problem. See Question&Answers more detail:os...

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

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808 views

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java - Spring batch to upload a CSV file and insert into database accordingly

My project has this requirement where user uploads a CSV file which has to be pushed to mysql database. I know ... uploaded CSV data to mysql? See Question&Answers more detail:os...

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

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211 views

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java - Client-Server-Client communication using Sockets

I am building a small chat application in which client A wants to send something to client C with server B in between. ... (Exception e) { } } } See Question&Answers more detail:os...

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

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