Recent questions tagged java

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java - Is there such case when in tryfinally block the finally won't be executed?

I'm studying for my test in Object Oriented Programming and I was wondering if there is any case what so ... finally block will not execute? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Locking and synchronization between outer and inner class methods?

My question is if I have some code like the following -: public class OuterClass{ public class InnerClass{ public ... to the outer class object/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously?

What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously? ... ); } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android READ_EXTERNAL_STORAGE permission not working

I'm trying to create a simple app that can get an image from the Gallery app and display it on an ... m still getting this pesky error. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why do I get UDP datagrams out of order even with processes running locally?

I'm developing a java interface between a streaming server and a flash client. I noticed that UDP datagrams ... that should not be happening. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Eclipse error "Could not find or load main class"

I know there are many duplicates of this question, but I have looked at them all, and none of ... load main class testIt.MemoryVisualizerApp See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JDK 1.7 breaks backward compatibility? (generics)

I've found similar topics, but overly complicated and not quite the same. So the thing is. Here's the(minimal) ... .7 javac version: 1.7.0_25 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Replace a String between two Strings

Let's say we have something like: &firstString=someText&endString=OtherText And I would like to replace "someText" with ... it sounded ugly .. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Copy BufferedImage to clipboard

How do I store a BufferedImage into the system clipboard? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to set JSpinner as non editable?

I am creating time picker using a JSpinner. The text inside the JSpinner is editable. But I want to set the ... value. Can anyone help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Enabling assertions in Netbeans

I wanna do something like java -enableassertions com.geeksanonymous.TestClass How do I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What's the intended use of @JvmSynthetic in Kotlin?

I have come across the @JvmSynthetic annotation in kotlin-stdlib, and I'm wondering what it is for, but, ... Kotlin class in Java sources? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - System.out.print() doesn't send any output to Eclipse console. Why?

I have next java class: public class Test { public static void main(String args[]) { for (int i = 0; i ... What do you think about this? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Error: javax.persistence.JoinColumn.foreignKey()Ljavax/persistence/ForeignKey with Spring controller

I have a simple two table application written in Spring MVC and which uses Hibernate. Everything works perfectly ... creating bean with name 'personDAOImpl': Injection of autowi...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why can't an enum value be fully qualified in a switch statement?

(note: edited question; the prior intent was not clear) Consider this code: public final class Foo { private enum ... to be written this way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Why does for loop using a double fail to terminate

I'm looking through old exam questions (currently first year of uni.) and I'm wondering if someone could explain a ... System.out.println(i); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Jackson - Deserialize Generic class variable

I had posted the question wrongly. I am posting the question correctly here ... I am getting a json ... java.lang.Class constructor accessible See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - error: variable might not have been initialized & if statement

So basically, the //Black ops 2 Class generator Please help me FIX!!!!!! import java.util.Scanner; import java. ... the last if statement } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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224 views

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java - How to print a large JPanel in several page

I want to print a very large panel and this panel contains some components like jtable, jlabel and others jpanel. Now ... , I get only one page. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Cannot resolve symbol com.google.firebase.messaging.Message

I'm following the below link to implement Firebase Messaging to send messages to multiple devices https://firebase.google ... -core:17.0.1' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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211 views

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java - Need correct step for Bat file creation using (TestNG.xml + Maven)

I am wondering about to create correct Bat file , I am using Maven + Selenium(TestNG) I have tried many ... I achieve correct .class path. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JavaFX WARNING: Unsupported JavaFX configuration: classes were loaded from 'unnamed module @...'

I just downloaded JavaFX and set it up, I have done nothing else. I ran the sample code and this was the ... of where to locate this module. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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273 views

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java - mouse motion listener only in one direction

i have been working on mouse motion listener in Java couldn't sort it out completely because i want the object to ... You forgot this method } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Generate all possible string combinations by replacing the hidden “#” number sign

My task is to generates all possible combinations of that rows without the hidden # number sign. The input is XOXX#OO#XO ... to zero } } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

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java - Endless while loop problem with try/catch

I have a while loop that is supposed to catch a non-int input and ask the user to re-enter an int. However it ... will build your city"); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

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java - Android intent with multiple option i.e , Pick image from gallary and capture image using front camera

After selecting/capturing the image i need to crop the image. I already done this one.but the problem is when i ... help with me an example ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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428 views

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java - Time doesn't repaint in Applet

I have a small problem but I don't know to fix it. I create simple Applet in which should be simple digital clock. ... toString(), 50, 95); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Sort 4 numbers without array

I have an exercise where I need to put 4 numbers in ascending order and then descending without using arrays. I can only ... = b; great3 = a; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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