Recent questions tagged JAVA

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java - how to achieve javafx mouse event "push and hold"?

I am developing a JavaFX project and I need something similar to a TouchEvent that characterizes a "push and hold" ... hold" occurs on Linux? 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 a "print-only" PDF with itext

This question is related to another one I've posted recently: Check printing with Java/JSP We're looking ... documentation/code samples on 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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java - appengine-maven-plugin:1.3.1 run failed non zero exit

I'm trying to create hello-endpoint-framework using maven archetype I used this command to build project. mvn archetype: ... runtime is deprecated. [INFO] GCLOUD: Warning: See h...

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

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java - How to initialize field using lambda

I need an instance field of type ConnectionFactory. A supplier can do it: private Supplier<ConnectionFactory> ... expression not expected 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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java - Promotion of byte to int or long

If I have an byte value 00101011 and I want to represent it as int value I have: 00000000000000000000000000101011, ... byte value to int? 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 - StackOverFlowError when initializing constructor for a list

I'm confused about why I keep getting a java.lang.StackOverFlow error when I try to write a constructor ... for the slightly crappy formatting. 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 make image stretchable in swing?

currently i am loading image in Jframe swing component through BufferedImage. Image loaded successfully but i want to ... anyone help me soon.. 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 parse 'following string '20190911T14:37:08.7770400' into date format

I am trying to parse the String into simple date format but getting unable to parse date exception.could some ... .main(TestString.java:20) 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 - close an activity from other activity?

Does anyone know how to close an activity from other activity?? for example: i have 3 activity (activity A, ... from other activity?? 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 - Spring Boot Batch ResourcelessTransactionManager DataSourceProperties$DataSourceBeanCreationException

I'm trying to setup a spring boot batch project that uses a ResourcelessTransactionManager transaction manager ... to 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 - Must type multiple times, before scanner reads input

If I run this code Scanner sc = new Scanner(); while (true) { if (sc.next().equals("1")) System ... . Should I instead use multiple scanners? 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 - Alfresco community 5.1.x workflow form add input fields dynamically

I am using Alfresco Community 5.1.x. I want to create a custom workflow using kickstart in that one of ... dynamically. Is this possible? How? 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 - IndexOutOfBounds with array

Each time I try to run this method private void resetOdds() { mOdds[1] = 0.10; mOdds[2] = 0.25; mOdds ... know why I'm getting this 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 - JavaFX - move columns in tableview

In (JavaFX) a tableview, you can automatically move columns(change the order of the columns). But this will not ... save it in the DataList? 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 Lines Style and colour of a JFreeChart

I have 3 series: XYSeries s1 = new XYSeries("one"); s1.add(1,0); s1.add(2,1); XYSeries s2 = new ... are the same colour, and s3 is different? See Question&Answers more detail:os...

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

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182 views

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java - MouseEvent is not registering a release when I release the mouse button

public void mousePressed(MouseEvent e) { //Invoked when a mouse button has been pressed on a component. if (e. ... while loop on my hands. 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 is this illegal

a) int i[] = new int[2]{1,2}; b) int[] i = new int[]{1,2,3}{4,5,6}; I know we cannot give ... (a) illegal and statement (b) is legal in java See Question&Answers more detail:os...

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

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261 views

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java - JSSE wrap creates two tls packets requiring two unwraps. Why?

I am inspecting the behavior of our java application with respect to jsse tls encryption and decryption with a ... additional resources...? 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 - Reflection in background - Android

Before I ask this I would like to say I am not asking how exactly do you do this but I am looking for a ... I can't find anything on the matter See Question&Answers more detail:os...

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

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494 views

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java - How to pre-fill tabs on a server template with the DocuSign API

Is it possible to fill in a tab on a server template? If so what would be the correct XML format to ... >" + "</envelopeDefinition>"; 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 - I am getting the memory address from an arraylist, need info

I am taking a text file and filling an arraylist. To test the file I am printing it out before I move on. I ... System.out.println(myList); } } 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 get Node component in linked list?

Learnt how to reverse-a-linked-list. The link is very descriptive and clear. But somehow I'm not getting how to ... (Node currentNode ){ ... } 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 - Parsing error for date field

I want to parse a date in YYYY-MM-DD format to YYYYMMDD. If I use the following function, it returns me a ... ).getTime()); sb.append(TestDate) 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 get this code to stop input when the sum exceeds 100 and still preform the sum and average?

I have been at this for hours!!!! An update to the assignment states that we need to stop the user input when their ... = " + average); } } See Question&Answers more detail:os...

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

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323 views

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java - ObjectInputStream : StreamCorruptedException

Hi everbody i have to write a server which communicate over a socket connection. The client sends Objects to the ... Anyone help me? 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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215 views

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java - JTable+JDBC: Easiest way

I have a class View with a JTable and another class DB. In DB is a method with a database connection. When ... just to understand how it works. See Question&Answers more detail:os...

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

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147 views

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java - How do I color individual cells of a JTable based on the value in the cell?

I am attempting to make a Tetris clone. The game uses a JTable as a representation of the board. The board is a ... up correctly, add 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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226 views

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java compiler error with generics and an iterator

I have the following code (Yes, I know the iterator is implemented incorrectly. This is an exam question I'm ... what's going on? 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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