包含标签：Java 的文章
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Java – checkstyle, findbugs and PMD configurations do not overlap
In my company, we began to use checkstyle, findbugs and PMD to check our code quality and unify our programming style …… -
Java – conditionally inject beans
I want to inject a bean based on the string parameter passed from the client public interface Report { generateFil…… -
Java converts objects to unimplemented interfaces
I found the following problems in my study book and was a little confused: Given the following code, which option, if …… -
Java – web app running grunt and Tomcat servers (spring, angular, grunt, maven, Tomcat)
OK, so I've been reading several other stack problems and trying to piece them together without much luck Basically, m…… -
Java – before I need to reset, I can use randomgenerator How many times does nextdouble()?
I use the random class in Java as a pseudo - random number generator I am using the function nextdouble many times (~ …… -
Java – Convert date to localdate and return strange results around 200ad
When I converted dates to local dates in about 200 years, I got inconsistent results Use the following code for conver…… -
Java – would it be better to instantiate a new jdbctemplate in each query or inject a new jdbctemplate anywhere?
I have a Java library. I use spring's JDBC support to access the database through JDBC This library contains about 100…… -
Calculate the number of days between two dates in Java
See English answers > Android / Java – date difference in days17 public static long getNoOfDaysBtwnDates(String exp…… -
Java – do not log in to Catalina out
I have the following logging Properties configuration: 1catalina.org.apache.juli.FileHandler.level = FINE 1catalina.or…… -
Java – how do I implement an OutputStream that I can play back?
After writing some processed content to the output stream, I need to revisit the beginning of the stream and write som…… -
Write and implement new Java class files at run time
Is it possible to "import" a new Java class into a running program and use it in some way? I can let the program creat…… -
Java – load data larger than memory size in H2O
I am trying to load data larger than H2O memory size The H2O blog mentioned: the description of bigger data and GC: wh…… -
java – Hadoop 1.0. Jobconf V / s configuration for 4
Hi, I'm new to Hadoop and I'm also a file system I saw two different wordcount examples using jobconf and configuratio…… -
Java – convert image X and Y coordinates to longitude and latitude?
I set the minimum longitude and latitude values for a specific static map image That map picture is a silhouette of a …… -
Java – how to use netbean’s GUI builder to individually resize table columns?
When using NetBeans GUI builder to quickly simulate the final design of the project, I encountered a problem with the …… -
The best solution architecture for user notification in Java / Grails environment?
I'm using Grails to build a community website, and I want to implement it with stackoverflow Com exactly the same user…… -
Java – mask string with characters
Hey guys, I tried to find a way to hide the string, but the code I found is only applicable to my application... Is th…… -
Java, multiple cans or one big?
In terms of efficiency and memory usage, would it be better to set up a large jar with classes / packages for each fun…… -
Embedded distributed version control system in Java?
Is there a distributed version control system (such as git or mercurial) that can be used as an embedded Library in Ja…… -
Java – generic list type with question mark
See the English answer > what is PECS (producer extensions consumer super)? 11 List<? extends Command> myVar …… -
Java – adds an object to the type of the “extended” common collection
public void addAllAnimals(ArrayList<? extends Animal> animalLikeList){ public void addAllAnimals(ArrayList<? …… -
java – sun. security. x509. Certandkeygen and sun security. pkcs. Pkcs10 – missing in jdk8 Implementation recommendations
In jdk8, the class sun security. x509. Certandkeygen no longer exists Sun. Com is still missing security. pkcs. PKCS10…… -
Java generics and factories
Establish: I have some formatter interfaces: interface Formatter<T extends AbstractItem> { String format(T ite…… -
Java – should I synchronize static volatile variables?
There are several questions about this problem, but most of them focus on this problem, because this is not the intent…… -
Java – viewrootimpl. In viewtransitioncoordinition Setpausedfortransition (Boolean) when NullPointerException is converted to another activity called prematurely
In my Android application, I have a startup screen where I make some settings and loads My application uses the defaul…… -
How do I determine the size of permgen in a Java application (that is, programmatically)?
>Is there any way to measure the permgen size currently used in my java application? I cannot use external analysis…… -
Preload Java classes / libraries at jar startup?
I wrote a thrift server in Java to take advantage of specific Java packages / libraries, but I'm not a java programmer…… -
Java – how to sort strings so that values with additional information are displayed first?
I tried to sort the following string 1.0.0.0-00000000-00000 2.1.0.0 2.2.0.0 2.3.0.0-00000000-00000 I currently have th…… -
Zero length matching in Java regex
My code: Pattern pattern = Pattern.compile("a?"); Matcher matcher = pattern.matcher("ababa"); while(matcher.find()){ …… -
Java – super in the fragment onCreateView
I completed coursera course on mobile application programming for Android handheld system This is the code of mainacti…… -
Java – from basic_ Convert string to jstring
I'm using basic_ string< wchar_ t> Input and need to be converted to jstring to pass through the JNI layer I won…… -
Java Web project structure best practices
I am starting a new Java Web project using hibernate and standard MVC architecture So what I really want to know is &g……