Java 归档 - Page 322 of 655

Java 8 stream – why is the filter method not executed?

See English answers > why does java8 stream generate nothing? 3 Stream.of("d2","a2","b1","b3","c") .filter(s -&……

Java

2020-02-11

Java – why are indexes inclusive but exclusive?

In Java API methods, such as: > String. substring(int beginIndex,int endIndex) > String. subSequence(int beginIn……

Java

2020-02-11

Java – when the field vars is final, do you need a getter?

In Java, the Convention (for me) is to make your field variables private and use getters and / or setters to access th……

Java

2020-02-11

Java – get the full string stack trace containing the inner exception

Java's e.printstacktrace() does not print all the details of the stack trace of the inner exception Is there a ready w……

Java

2020-02-11

java. io. File (parent, child) does not work properly

I'm trying to build a java file object based on the file name provided by the user (which can be absolute or relative)……

Java

2020-02-11

It’s javax naming. InitialContext ThreadSafe

At present, I am using the following code to find EJB 3 saturated session beans for normal POJO classes (we are in jee……

Java

2020-02-11

Java – convert small endian files to large endian files

How to convert a liitle endian binary file into a large endian binary file I have a binary file written in C. I read t……

Java

2020-02-11

java – Hibernate 5.2. 2: There is no persistence provider for entitymanager

Hibernate 5.1. 1 and 5.2 What's the change between 2? If I use 5.2 2. I will receive an error message "persistence pro……

Java

2020-02-11

java – @BeforeClass vs static {}

I'm writing some test cases using JUnit I need to initialize some static variables that will be used for all test case……

Java

2020-02-11

Convert java to target C

I'm trying to convert java code to objective - C. The following course is Extension of package com.TestCode.api; impo……

Java

2020-02-11

Java httpurlconnection – post with cookie

I want to send a release request with cookies This is the code: try { String query = URLEncoder.encode("key","UTF……

Java

2020-02-11

Java – how do I import an existing file into the IntelliJ 10 ide?

I've used eclipse before I changed it to IntelliJ Now I want to know how to import an existing file into the IntelliJ ……

Java

2020-02-11

How to figure out which class in Java is called a method?

How do I find a class called my method without passing any variables to the method? Class A{} Class B{} Class C{ publi……

Java

2020-02-11

Java – change JSP button click

I have a question I have three JSP pages The first is a menu with two buttons When I click the first button, I want to……

Java

2020-02-10

Java – is there any special reason for eclipse generated equals to use the values of 1231 and 1237 as Boolean values?

The title basically explains everything I tried Google search, but returned a lot of false positives I think I just wa……

Java

2020-02-10

Java – are local variables in static methods also static?

I wonder if we declare them statically, all local variables will become static? For example: public static void A(){ ……

Java

2020-02-10

Strange floating point behavior in Java programs

See English answer > is floating point math broken? 29 0.0 + 0.04 = 0.04 0.04 + 0.04 = 0.08 0.08 + 0.04 = 0.12 0.12……

Java

2020-02-10

When reading from a file, Java net. URL cache

It seems that Java is saving some kind of cache for URLs (& files) new java.io.BufferedReader (new java.io.InputSt……

Java

2020-02-10

Java – zoneddatetime as pathvariable in spring rest requestmapping

I have a rest endpoint in my spring application, as shown below @RequestMapping(value="/customer/device/startDate/{sta……

Java

2020-02-10

Java – alternatives to Commons beautils

I am looking for an alternative to public beautils I want a small independent alternative that will lead to no / minim……

Java

2020-02-10

Java – get value from JTable cell

I listed editable columns in JTable When I finish editing the cell, I want the old value of a cell Solution You can ge……

Java

2020-02-10

Java – condition – should be unlocked before waiting?

Can you tell me if I should release the lock before waiting for the condition? try { lock.lock(); while (isNot……

Java

2020-02-10

Java – the correct way to find enumerations by value

I have several Java enumerations that look like the following (edit for confidentiality, etc.) public enum Presentatio……

Java

2020-02-10

What is the c# equivalent of Java’s class type?

In Java, it is convenient for class to use the generic parameter X But c#'s type class doesn't have this So in c#, how……

Java

2020-02-10

Java – check the current exception in the eclipse debugger?

If a Java application throws an unhandled exception, it will cause eclipse to break at that time Is there any way to c……

Java

2020-02-10

Interface array in Java

I have an interface a: interface A { } Then I have a level B: class B implements A { } Then I have a way to use the a ……

Java

2020-02-10

JavaFX listview multi selection

I want to select multiple items from listview It responds to mouse clicks I tried this: selectedLogsList.addAll(logsLi……

Java

2020-02-10

Java – can final be removed from the class definition for backward compatibility?

I am currently reading effective java written by Joshua Bloch. Item 17 is "inherit the design and documentation, or pr……

Java

2020-02-10

Java – use the slidinguppanel library to keep the bottom view

I used slidinguppanel Library in one of my media player applications In the slide panel, I have media controls. I want……

Java

2020-02-10

How is the following java code useful in autonomic computing?

In the book I'm learning, they show this java code: Class c = ClassLoader.getSystemClassLoader().loadClass(name); Clas……

Java

2020-02-10

Java – Common underflow and overflow exceptions

I tried to get an overflow and underflow exception in Java, but I couldn't get any beautiful tutorials Specifically, I……

Java

2020-02-10

Equivalent to akka, but Net (concurrency framework)

Is there the equivalent of akka Net? http://doc.akka.io/use-cases Solution You can have a look https://github.com/phat……

Java

2020-02-10

搜索内容

Java 8 stream – why is the filter method not executed?

Java – why are indexes inclusive but exclusive?

Java – when the field vars is final, do you need a getter?

Java – get the full string stack trace containing the inner exception

java. io. File (parent, child) does not work properly

It’s javax naming. InitialContext ThreadSafe

Java – convert small endian files to large endian files

java – Hibernate 5.2. 2: There is no persistence provider for entitymanager

java – @BeforeClass vs static {}

Convert java to target C

Java httpurlconnection – post with cookie

Java – how do I import an existing file into the IntelliJ 10 ide?

How to figure out which class in Java is called a method?

Java – change JSP button click

Java – is there any special reason for eclipse generated equals to use the values of 1231 and 1237 as Boolean values?

Java – are local variables in static methods also static?

Strange floating point behavior in Java programs

When reading from a file, Java net. URL cache

Java – zoneddatetime as pathvariable in spring rest requestmapping

Java – alternatives to Commons beautils

Java – get value from JTable cell

Java – condition – should be unlocked before waiting?

Java – the correct way to find enumerations by value

What is the c# equivalent of Java’s class type?

Java – check the current exception in the eclipse debugger?

Interface array in Java

JavaFX listview multi selection

Java – can final be removed from the class definition for backward compatibility?

Java – use the slidinguppanel library to keep the bottom view

How is the following java code useful in autonomic computing?

Java – Common underflow and overflow exceptions

Equivalent to akka, but Net (concurrency framework)

Categories

Recent Posts

Tags