包含标签：Java 的文章
-
Java – where can I specify Jackson serializationconfig. In spring 3.1 Feature settings
I'm confused about why the default Jackson is included. Spring seems to have customized the default Jackson configurat…… -
Fileoutputstream access denied: Java
I have the following code correctly integrated with iText library import java.io.*; import com.itextpdf.text.*; import…… -
Java – Eclipse: show the code source of class files?
I'm running eclipse 3.5 2 and is debugging a class that calls methods - let's call it flaky () - in my other Jar file …… -
Java – what is the right maven2 phase to deploy to an application server?
I'm trying to configure POM XML so that it automatically deploys the ear archive to the GlassFish application server I…… -
Do JDK courses have other specifications besides Javadoc?
Do JDK courses have other specifications besides Javadoc? If so, where? For example, refer to collections unmodifiable…… -
Java – an algorithm for calculating public group membership using big data
I need to write a program to calculate the number of times two users are in the same group Users are assigned by user …… -
javax. mail. What’s the use of session?
I'm taking a class in charge of sending e - mail It looks like this (Simplified): /* ... */ Properties props = System.…… -
Java – what can I do to avoid the “out of memory” error when JDBC is connected to SQLite3 database?
When JDBC is connected to SQLite3 database, what can I do to avoid the "out of memory" error? java.sql.sqlException: o…… -
java. util. Date calculation days difference
I tried to calculate the difference between the two dates, and I noticed one thing When only days are counted, the sta…… -
Implement Java_ “Real” definition of home
As a java developer switching between Nix systems (OS X, Ubuntu,...), although I can "get" my JDK and run it at any ti…… -
Java – Guice only registers some constructors
Suppose I have some message classes, as shown below This is a simple combination class public class Message { privat…… -
Java – ArrayList finds the first and last elements
Good evening, I have an ArrayList (instantiated as ld_data), and I query / display element data forward and backward I…… -
Suppress Java findbugs errors (ei_expose_rep)
I have a Java gettor method, as follows: import java.util.Date; //... public Date getSomeDate() { return someDate; }…… -
Java – stop or terminate long-running queries in JDBC
Is there any way to stop or terminate long-running Oracle queries in JDBC? It usually ends up restarting the applicati…… -
Java – how to disable echo when sending terminal commands using Apache commons net telnetclient
So, I have this class using org apache. commons. net. telnet. Telnetclient class It attempts to send a command and rea…… -
Java – what is dot casting?
In this Code: c = (char)(c - 'A' + 'a'); Why do we need a char? Is that foundry right? Suppose that C on the right sid…… -
Java – is it effective to handle runtimeexceptions in some cases?
As I have understood from several tutorials, runtimeexceptions should not actually be caught because they should revea…… -
Java – Android canvas does not draw path. When the point of path is not present
I encountered some problems with Android canvas when drawing the path canvas.drawPath(polyPath,borderPaint); I also ha…… -
Java – struts 2 “%” and “#” login to ognl
Can someone tell me how to use the "%" and "#" numbers in Struts2 ognl? I'm around Google, but I can't find any valuab…… -
Java – Android: the sampling microphone does not record to obtain real-time amplitude / level?
I'm trying to get the microphone amplitude level on Android: MediaRecorder recorder = new MediaRecorder(); recorder.se…… -
GUI architecture and design in Java (swing)
I spent the last few hours searching the Internet for examples and ideas on how to write medium-sized GUIs in Java I k…… -
Differences between Java and Hibernate types: Boolean, yes_ no,true_ false
When to use? What do they map in the database? Solution From Hibernate: -
Java – reflections illegalargumentexception reason
Update – make the problem clearer ClassCastException exception may be caused when calling a method through reflection?…… -
Java – how to check whether a key in a map starts with a given string value
I am looking for a way, such as: myMap.containsKeyStartingWith("abc"); // returns true if there's a key starting with …… -
Java – ImageView, why is it different in size?
First of all, I know many people have asked the same question, but the question is almost the same, but I have more qu…… -
Java lightweight soap Client Library
Can anyone recommend a good java open source library to build a simple soap web service client? I'm looking for someth…… -
Java – validationexception: unable to find default provider
I found three entries in the stack overflow: javax. validation. ValidationException: Unable to find default provider j…… -
File I / O: read from one file and write to another (Java)
I'm currently working in a lab in my CPE class. We have to create a simple program from Txt file and print them to dif…… -
Java – non null attributes refer to null or instantaneous values of persistent values
I try to use JPA 1 to persist two different entities and use hibernate to implement it Parent entity class @Entity @Ta…… -
Java – is BigInteger thread secure?
I need to update the global BigInteger value through multiple threads – is BigInteger thread safe? Solution BigInteger…… -
Java – how to improve applications to avoid heap space problems
I have an application that works with many custom objects created in methods and never needs to be outside of them The…… -
Java – converting from double to int does not always just discard the decimal part
I'm experimenting with the code I found here the Java specialties' newsletter public class MeaningOfLife { public st……