Java 归档 - Page 303 of 655

How to separate lists by using conditions of Java 8 streams

Consider the following codes: List<Integer> odd = new ArrayList<Integer>(); List<Integer> even = nu……

Java

2020-02-22

Java – insert the row and get the generated ID

I am trying to use spring's jdbctemplate class to insert a row into the MySQL table named transaction and get the gene……

Java

2020-02-22

Java – why does filesystemxmlapplicationcontext throw FileNotFoundException on existing files

resolvent

Java

2020-02-22

Why use negative int in toString method of integer class in Java SRC for mod operation

When I read the Java version of 1.7 0_ 09 source code, I found that the implementation of toString method of integer c……

Java

2020-02-22

Java – function method of thread safe shared counter

I am new to scala and functional programming. I like the idea of using immutable objects. I can avoid many thread safe……

Java

2020-02-22

Multithreading – can static arrays be safely accessed from multiple threads?

If each thread guarantees to read / write a specific subset of the array, multiple threads can work on the same (stati……

Java

2020-02-22

Does Java also test the equality of handling null values?

Is there anywhere in the Java standard library with static equality functions? public static <T> boolean equals(……

Java

2020-02-22

Java – spring boot: how to reference application. In @ importresource properties

My spring boot application has an ApplicationContext XML file In this file, it has an attribute placeholder – ${profil……

Java

2020-02-22

Java – ecobertura does not work properly in eclipse

So I tried to test the coverage of Java applications in eclipse I installed ecobertura from the "install new software"……

Java

2020-02-22

Java API interrupt

I have the following APIs: public interface MyApi { /** * Performs some stuff. * @throws MyException if co……

Java

2020-02-22

A problem about Java multithreading

Assume the following courses public class TestObject{ public void synchronized method1(){ //some 1000 line……

Java

2020-02-22

Java – when there is more data, the Jasper report exports empty data in PDF format

I have a report exported in Excel, PDF and word using Jasper report I use the XML file as the data source of the repor……

Java

2020-02-22

Java – how do I enable Maven profiles when the build version is not – snapshot?

I'm trying to use the gitflow helper Maven plugin extension for my Maven build Therefore, I want to configure my proje……

Java

2020-02-22

java – ASN. 1 encoding – decoding

I am currently developing a client server program, a client in Java / C and a server in C In this case, I realized the……

Java

2020-02-22

The best way to print simple reports in Java

I have developed a Java application, and now I want to provide some simple printing support Print invoices, reports, e……

Java

2020-02-22

Multithreading – reentry locking: advantages and disadvantages?

Under what circumstances do people want to use turn back locks and ordinary locks? Solution I think reentrant locks ha……

Java

2020-02-22

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

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How to separate lists by using conditions of Java 8 streams

Java – insert the row and get the generated ID

Java – why does filesystemxmlapplicationcontext throw FileNotFoundException on existing files

Why use negative int in toString method of integer class in Java SRC for mod operation

Java – function method of thread safe shared counter

Multithreading – can static arrays be safely accessed from multiple threads?

Does Java also test the equality of handling null values?

Java – spring boot: how to reference application. In @ importresource properties

Java – ecobertura does not work properly in eclipse

Java API interrupt

A problem about Java multithreading

Java – when there is more data, the Jasper report exports empty data in PDF format

Java – how do I enable Maven profiles when the build version is not – snapshot?

java – ASN. 1 encoding – decoding

The best way to print simple reports in Java

Multithreading – reentry locking: advantages and disadvantages?

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?

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