Java 归档 - Page 304 of 655

Simple java date calculation

I want to do simple date calculation in Java For example, calculate the difference in days between dates (with a 0 tim……

Java

2020-02-21

Java: pre, postfix operator takes precedence

I have two similar questions about operator precedence in Java First: int X = 10; System.out.println(X++ * ++X * X++);……

Java

2020-02-21

Java double. MAX_ VALUE？

Hello, I was in my first year of computing system development, so I am very new to Java and have mastered the basic kn……

Java

2020-02-21

Java – JDK 1.7 jarsigner with HTTPS TSA is no longer valid

Looks like JDK 1.7 0_ The Thawte root certificate in 80 was revoked Using 7u80 jarsigner is no longer valid and worked……

Java

2020-02-21

Java bean, BeanUtils and Boolean wrapper classes

I used bean utils to manipulate Java objects created through JAXB, and I encountered an interesting problem Sometimes,……

Java

2020-02-21

Decrypt encrypted assertions using SAML 2.0 in Java using opensaml

There was a problem trying to decrypt encrypted assertions using SAML 2.0 The library I use is opensaml Java library 2……

Java

2020-02-21

Java – analyze JSON map / dictionary with gson?

I need to parse the JSON response: {"key1": "value1","key2": "value2","key3": {"childKey1": "childValue1","childK……

Java

2020-02-21

Java method call expectations

This is a java program with two buttons to change the integer value and display it increase.addActionListener(incListe……

Java

2020-02-21

Java – play framework 2.4 does not accept “public static results” from controllers

I try to start the application using play framework 2.4 and JDK 8 in MAC when I use/ When the activator downloads the ……

Java

2020-02-21

Java – multiple dependency versions in gradle

I'm building a java project that uses gradle for version control I'm starting from the old version of drools rule engi……

Java

2020-02-21

Java – how to calculate the number of instances of a specific class in ArrayList?

I have an array list that looks like: [new Class1(),new Class2(),new Class1(),new Class1()] I want to know the most ef……

Java

2020-02-21

String. Is format (. Net) equivalent in Java?

. Net Format (maybe just VB. Net) converts {0}, {1},... To a determined string, for example: Dim St As String = "Test:……

Java

2020-02-21

Java – use org. Org apache. HTTP sends an HTTP post request with a soap operation

I'm using org apache. The HTTP API writes a hard - coded HTTP post request using soap operations import java.net.URI; ……

Java

2020-02-21

Java – hibernate batch deletion vs single deletion

Editor: according to some of my debugging and logging records, I think this problem comes down to why delete from tabl……

Java

2020-02-21

Java / Hibernate uses interfaces on entities

I'm using annotated hibernate, and I wonder if it's possible I have to set up a series of interfaces representing obje……

Java

2020-02-21

Java – when the flag changes in different threads, the loop does not end

See English answer > loop doesn't see changed value without a print statement1 import java.awt.event.KeyEvent; impo……

Java

2020-02-21

Java – where can I place credentials when using Ivy League and private company repositories?

I use ant ivy, and our company recently set up a nexus server for our own private library Ivy can get dependencies fro……

Java

2020-02-21

Java bytecode: type of local variable?

According to this article http://slurp.doc.ic.ac.uk/pubs/observing/linking.html#assignment ： My question: why does by……

Java

2020-02-21

Java – validate postscript without trying to print it?

Saving data to postscript in my application will generate a postscript file that I can view in ghostview without probl……

Java

2020-02-21

Java – use logic in switch statements

My question relates to the following code: public static void main(String[] args) { // Find Prime Numbers from 0 ……

Java

2020-02-21

Does Java 8 provide an alternative to the visitor pattern?

What's the difference between functional programming and object-oriented programming? Say I have an animal interface: ……

Java

2020-02-21

Does the Java library manage CSS explosion or reuse?

Java asks: I'd love to use sass and compass, but they are Ruby programs, which will probably require some interesting ……

Java

2020-02-21

Java – is the tight loop broken?

Isn't the tight loop in the program bad? I have an application with a two - threaded game physics simulator Updategame……

Java

2020-02-21

Java – how to sort ArrayList in dictionary order?

I'm trying to sort the string ArrayList representing the card value Therefore, some cards contain letters ("King") and……

Java

2020-02-21

How to use java to type some text in the hidden field of selenium webdriver

I use webdriver and Java for test automation I have the following HTML code for hidden input fields: <input type="h……

Java

2020-02-21

Java – polymorphic call

I'm a novice to Java, and I've seen it in the code in many places that my old people claim List mylist = new arraylist……

Java

2020-02-21

Java – using the Interpreter pattern on a composite structure

I was asked to use composite, recursive descendant parser and interpreter for expression evaluation This is the syntax……

Java

2020-02-21

Java – method overloading uses float to display “incompatible type error” but does not contain double

I tried overloading the code with this method, and I got an error code: class Adder { static float add(float a,flo……

Java

2020-02-21

Java – unknownhostkey exception when accessing GitHub safely

I am using jgit to securely access the repository in GitHub I did the following to generate a secure communication key……

Java

2020-02-21

Java – jmh means M1 is faster than m2, but M1 stands for M2

I wrote a jmh benchmark involving two methods: M1 and M2 M1 calls m2, but jmh claims that M1 is faster than m2 for som……

Java

2020-02-21

Are there any Java libraries to use SVG is converted to Png or Jpg code?

Are there any Java libraries to use SVG is converted to Png or Jpg code? Does anyone have this experience? Solution Sp……

Java

2020-02-21

What is “self inhibition is not allowed”, and why does javac generate code lead to this error?

This new Java 7 try - with - resources construct is quite good Or at least, it was good until an exception ruined my d……

Java

2020-02-21

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Simple java date calculation

Java: pre, postfix operator takes precedence

Java double. MAX_ VALUE？

Java – JDK 1.7 jarsigner with HTTPS TSA is no longer valid

Java bean, BeanUtils and Boolean wrapper classes

Decrypt encrypted assertions using SAML 2.0 in Java using opensaml

Java – analyze JSON map / dictionary with gson?

Java method call expectations

Java – play framework 2.4 does not accept “public static results” from controllers

Java – multiple dependency versions in gradle

Java – how to calculate the number of instances of a specific class in ArrayList?

String. Is format (. Net) equivalent in Java?

Java – use org. Org apache. HTTP sends an HTTP post request with a soap operation

Java – hibernate batch deletion vs single deletion

Java / Hibernate uses interfaces on entities

Java – when the flag changes in different threads, the loop does not end

Java – where can I place credentials when using Ivy League and private company repositories?

Java bytecode: type of local variable?

Java – validate postscript without trying to print it?

Java – use logic in switch statements

Does Java 8 provide an alternative to the visitor pattern?

Does the Java library manage CSS explosion or reuse?

Java – is the tight loop broken?

Java – how to sort ArrayList in dictionary order?

How to use java to type some text in the hidden field of selenium webdriver

Java – polymorphic call

Java – using the Interpreter pattern on a composite structure

Java – method overloading uses float to display “incompatible type error” but does not contain double

Java – unknownhostkey exception when accessing GitHub safely

Java – jmh means M1 is faster than m2, but M1 stands for M2

Are there any Java libraries to use SVG is converted to Png or Jpg code?

What is “self inhibition is not allowed”, and why does javac generate code lead to this error?

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