Recent questions tagged java

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java - Programmatically restart Spring Boot application / Refresh Spring Context

I am trying to programmatically restart my Spring Application without having the user to intervene. Basically, I have ... to be there anymore? 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 read PDFs created with an unknown random owner password?

Requirement is to process a batch of PDF's one at a time and on success encrypt each of them with an user ... library (Free or licensed) too. 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 - Finding the shortest path nodes with breadth first search

I am running breadth first search on the above graph to find the shortest path from Node 0 to Node 6. My ... the nodes for the shortest 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 - How to use CipherOutputStream correctly to encrypt and decrypt log created with log4j (RollingFileAppender)

I have a problem in encrypting/decrypting log file generated by log4j's RollingFileAppender. For the encryption I ... not my native language. 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 can I fire internal close request?

I have trouble when closing a window in JavaFX. I define my setOnCloseRequest as I wanted and it works when ... the window on external request 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 - Faced with `org.gradle.api.ProjectConfigurationException` error on my `gradle build`

Below are the Gradle specs: Gradle 4.6 Android Gradle plugin 3.1.1 Parallel Execution enabled Caching ... .build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:744) at c...

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

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java - Why can I access a private variable from main method?

package com.valami; public class Ferrari { private int v = 0; private void alam() { System.out.println("alam"); } ... ....WHY? Please help...thx 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 - project.properties in android project

I just cloned this from github and when I tried to import it to eclipse as an android project, it doesn't have ... and how do I handle 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 - Kafka Avro Consumer with Decoder issues

When I attempted to run Kafka Consumer with Avro over the data with my respective schema,it returns an error of ... I would appreciate any help. 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 - AnimatedVectorDrawable in Support Library and animation of "pathData"

I am using animated vectors from Support Library 23.2.0, like this: compile 'com.android.support:support-vector- ... idea how to solve 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 - android : how to change the style of edit text?

I'm trying to change the style of the EditText? Is it possible to achieve that? If so I'll appreciate ... what alternative ways are available. 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 does "if (rs.next())" mean?

I am currently getting the error, java.sql.SQLException: Method 'executeQuery(String)' not allowed on prepared ... be greatly appreciated too. 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 - Only a type can be imported. ABC resolves to a package

(I've read other questions on this topic, but none of them have helped) Okay, I'm trying to import a Java class ... 'm trying to clean them up!) 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 - Is it possible to convert method reference to MethodHandle?

Is it possible to convert a method reference (e.g. SomeClass::someMethod) to a MethodHandle instance? I ... method reference to a MethodHandle? 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 - convert String in time to Time object without Date

i got problem to convert String time to Time object because it print together with Date. this is my code. String ... give an example. thank you. 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 - Stop thread and again start giving IllegalThreadStateException in blackberry

I am getting IllegalThreadStateException exception when using following code: I have already started this thread once(by ... use to solve it? 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 disable Ajax caching?

I am having an issue with ajax caching, This was a problem in IE browser too but i fixed it by Writing the ... past. Will it make a difference? 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 can I create a self-consistent .jar file with Eclipse?

I wrote my Java application in Eclipse. Now I would like to generate a .jar file which can be run on other systems ... and I do not want that. 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 - JPA - EclipseLink - How to change default schema

I'm programming a web application using weblogic and oracle. the datasource is configured through JNDI, with a ... advance for your help! 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 - ajax call in jsf 2.0 (myfaces), the onevent Javascript function in the ajax tag gets called before the rendering is complete

This is my first time asking a question on a forum, since usually my questions have already been asked and answered. I haven' ... ); } } }); } } 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 the default Object.toString() return a hex representation of the hashCode?

I'm curious why Object.toString() returns this: return getClass().getName() + "@" + Integer.toHexString(hashCode( ... than a decimal buy you? 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 my DOM parser cant read UTF-8

I have problem that my DOM parser can′t load file when there are UTF-8 characters in XML file Now, i am aware that ... to put it in my code... 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 - Does the EDT restart or not when an exception is thrown?

(the example code below is self-contained and runnable, you can try it, it won't crash your system :) Tom ... commented? What is going on here? 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 - Jacoco offline instrumentation Gradle script

I tried looking for Jacoco offline instrumentation gradle script snippets but couldn't find one. Is it possible to ... would be greats. 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 - Access a resource outside a jar from the jar

I'm trying to access a resource from a jar file. The resource is located in the same directory where is the ... you give me some hints? 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 - What happens when a static method is invoked using a null object reference?

public class CallingStaticMethod { public static void method() { System.out.println("I am in method"); } public ... invoked in the above code? 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 do you disable lazy class loading/initialization in Sun's JVM?

By default, Sun's JVM both lazily loads classes and lazily initializes (i.e. calls their <clinit> methods) them. ... there a way to do that? 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 - Converting an ImageIcon to a BufferedImage

I've been trying to convert a ImageIcon to BufferedImage... And I've had no luck. I have a pre-existing ... of them are hugely CPU intensive. See Question&Answers more detail:os...

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

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