Recent questions tagged Java

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this is the code ::::::: import dsa.DiGraph; import dsa.SeparateChainingHashST; import dsa.Set; import stdlib.In; import stdlib.StdOut; public class WordNet { //... ... %s) = %s\n", word1, word2, wordnet.distance(word1, word2)); } }...

asked May 12, 2022 in Others[杂七杂八] by cathrineval (180 points)

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new to java pleas help with errors I am stuck

import dsa.DiGraph; import dsa.SeparateChainingHashST; import dsa.Set; import stdlib.In; import stdlib.StdOut; public class WordNet { //... private SeparateChainingHashST<String, ... %s\n", word1, word2, wordnet.distance(word1, word2)); } }...

asked May 12, 2022 in Others[杂七杂八] by cathrineval (180 points)

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java I have errors and I cannot seem to fix them I am new to java and I need some help please

import dsa.DiGraph; import dsa.SeparateChainingHashST; import dsa.Set; import stdlib.In; import stdlib.StdOut; public class WordNet { //... private SeparateChainingHashST<String, ... %s\n", word1, word2, wordnet.distance(word1, word2)); } }...

asked May 12, 2022 in Others[杂七杂八] by cathrineval (180 points)

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java I have errors and I cannot seem to fix them I am new to java and I need some help please

import dsa.DiGraph; import dsa.SeparateChainingHashST; import dsa.Set; import stdlib.In; import stdlib.StdOut; public class WordNet { //... private SeparateChainingHashST<String, ... %s\n", word1, word2, wordnet.distance(word1, word2)); } }...

asked May 12, 2022 in Idea[创意] by cathrineval (180 points)

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java - com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:

I have a google app engine connected project with which I am trying to connect to a google cloud sql database.I upload my project to google and ... . Any suggestions will be appreciated. Thanks, Laura 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 - received handshake warning: unrecognized_name

Is there a way to deal in Java 11 with a "javax.net.ssl.SSLHandshakeException: received handshake warning: unrecognized_name" without disabling SNI system wide by using System. ... 72 36 11 ..........L..r6. Start Time: 1556795487...

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

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672 views

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java - give focus to a panel that is not a child of the focused Window?

I'm working in Java to create an internal tool. The two consists of two JPanels which are anticipated to run on two separate screens. I want to be ... B that it will respond to without having focus? 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 remove try/catch repetitions in class methods?

I have RESTeasy service. And have implemented simple error handling on methods using try catch and feel something is not very well with it. I've noticed try catch ... .put(name, new Counter(name)); }... See Question&Answers more detail:os...

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

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767 views

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java - How to remove sequence of two elements from array or list?

How to remove two successive elements from array or list? I've got an array: new String[]{"FIRST", "SECOND", "SECOND", "THIRD", "FOURTH", " ... } How to remove two successive elements from array or list? 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 - Problem with reusing the JScrollPane again for different custom Lists

I am trying to create a JScrollPane component which can be reused depending upon the string parameter that is being passed.. I have created the following ... "Chemestry"}; new ListComponent(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 - How do I create a safe Lombok JPA entity?

I have an @Entity with 20 fields including the index and a timestamp updated by Hibernate: @Entity public class MyEntity { @Id @GeneratedValue(strategy = ... a mixture of annotations and manual methods? See Question&Answers more detail:os...

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

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861 views

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java - Get all images within directory - within jar file

I have a folder inside my project that has 238 images. I want to be able to find all images within the directory. I'm currently accessing all these ... both in Eclipse and in the jar that's deployed. 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 - AudioPlayer is internal proprietary API and may be removed in a future release

import javax.swing.*; import sun.audio.*; import java.awt.event.*; import java.io.*; public class Sound { public static void main(String[] ... : Recompile with -Xlint:deprecation for details. 7 warnings See Question&Answers more detail:os...

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

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661 views

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java - Making a marker carry custom info to be used when clicked (Android, Google Maps v2)

I have the following code: public class AlertViewOnMap extends Activity { //declarations ArrayList<String> dateCreatedAtList = new ArrayList<String>(); ... marker creation hour, from "dateCreatedAtList"? See Question&Answers more detail:os...

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

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904 views

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java - Failure to read JPEG file from byte[]

Has anyone ever had an issue with Loading JPEG files in java? One of our clients is sending files that cannot be resolved, but these same files can ... has any suggestions, I would be most grateful 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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685 views

1 answer

java - How do I stop my paint method form repeating twice?

Here is the code for a dice game that I am working on that outputs the results to a window. The paint method repeats twice, which is not good for me because I ... " + num, 590, 100); pause(1000); } } 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 - deserialize xml to pojo using jackson xml mapper

I am using Jackson XML mapper to deserialize XML to POJO. The XML looks like <person> <agency> <phone>111-111-1111</phone> </agency> </person> ... did not work. So how to deserialize to nested instances. See Question&Answers more detail:os...

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

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888 views

1 answer

java - Limit JFreeChart TimeSeries to Business Hours

Rendering a chart over several days, with a dataset that has 24 hour data, but it's only useful during M-F, 7AM to 5PM. If I setup a time ... } //other basic overloaded methods left out for brevity } See Question&Answers more detail:os...

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

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842 views

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java - Should a private final field be static too?

I was wondering, if I have this field in my class : private final int foo = ..., should I put it in static private static final int foo = ...? Because ... it in static? Or do I have to put it in static? See Question&Answers more detail:os...

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

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723 views

1 answer

java - JFreeChart's Bar Chart Bar Unit

I'm trying to create a bar chart in Java. I'd like to have 1H bar unit on the DateAxis (not tick unit). Is there a way? After a lot ... contentPane.setLayout(new FlowLayout(FlowLayout.CENTER, 5, 5)); } } 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 the unit of x axis in JFreeChart Gantt chart

I'm a beginner in JFreeChart. I want to change the x axis values of this chart to milliseconds, with 5 ms intervals. I've tried axis. ... .centerFrameOnScreen(demo); demo.setVisible(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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752 views

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java - ArrayList methods are not working

I am learning about Java and I'm stuck with this ArrayList problem: the compiler give me error when I try to use simple methods, like add. Here is the ... I really don't know what I'm doing wrong here. See Question&Answers more detail:os...

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

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747 views

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java - Is there a reason for never closing a JDBC connection?

I'm reading a code from the last developer that worked on the system and he never closes any connections with the database. He only ... close everything (Connection, PreparedStatement and ResultSet)? 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 - GSON parse generic Json Array

My question is very similiar to this: Unable to parse Json array using Gson But I cann't get the answer from it. The answer from above link: ... Is implicit operator is not supported in TypeToken class? See Question&Answers more detail:os...

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

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654 views

1 answer

java - Multiple tests on the same IEdriver instance - memory issues

I'm running lots of selenium tests on my node which is windows machine. In order to speed up test execution by avoiding starting/closing IEDriver ... windows server 2012 and windows 8.1 machines. See Question&Answers more detail:os...

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

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691 views

1 answer

java - Serialization issue with SortedSet, Arrays, an Serializable

I have this before the process: protected void onPostExecute(SortedSet<RatedMessage> result) { List<Object> list=Arrays.asList(result.toArray()); lancon. ... rm); Why I get the ClassCastException? See Question&Answers more detail:os...

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

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847 views

1 answer

java - Parse xml nodes having text with any namespace using jsoup

I am trying to parse XML from URL using Jsoup. In this given XML there are nodes with namespace. for ex: <wsdl:types> Now I want to get all nodes which ... as "*|types" but it didn't worked. Please 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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707 views

1 answer

java - Netbeans history shows 100 changes but I made only a few. How do I avoid this?

In Netbeans when I make a dozen changes that break more than they fix, usually I find the culprit right away by looking at the history, find the culprit ... //GEN-LAST to make them editable in Netbeans." See Question&Answers more detail:os...

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

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