LxLxBlog

Java: copying properties from one object instance to another

Say you have public class Car{ private Engine m_eng; public Car(){ } public Engine getEngine(){ return m……

Java

2020-08-12

Java – find hash table with maximum size

I have the following data structures: Map<Integer,Map<String,Double>> ---------------- | | a 2 | |……

Java

2020-08-12

Java – what database do you want to use?

I'm new to database, but I think I've finally encountered a situation where flat files don't work properly I'm writing……

Java

2020-08-12

Java – Dao class method naming

I'm using spring MVC and hibernate to build a small java web application. I'm confused about the naming of Dao class m……

Java

2020-08-12

Java – find specific file types from folders and their subfolders

I'm writing a method to get specific file types from folders and subfolders, such as PDF or txt, but I can't solve thi……

Java

2020-08-12

Java 8 stream operation

Suppose I have a character stream named s Is it possible to convert a single string into a unary operation of two stri……

Java

2020-08-12

Why is the string method substring () not in camelCase in Java?

According to Java standards, we should follow camelCase But why is the string method substring () not in camelCase? Is……

Java

2020-08-12

Java – how do I know how many objects will be created using the following code?

For strings, I'm a little confused about the object situation, so I want to know how many objects will be created with……

Java

2020-08-12

Java – split string – Cartesian

The following string is given: “foo bar-baz-zzz” I want to divide it into the characters "" and "-", keep their values……

Java

2020-08-12

Java inheritance method with return type

Is it correct to write such a course? The problem is the method getprice () in the item class Each item needs a getpri……

Java

2020-08-12

How to add multiline labels on the Java GUI?

I made a Java Swing GUI Now I want to display a static message on it, but the message is multi line and jlabel is sing……

Java

2020-08-12

Using interfaces in Java New problems

Suppose you have a displaceable interface and a class circle that implements displaceable Displaceable has a method ca……

Java

2020-08-12

Java – do not modify the list, but still get concurrentmodificationexception

This is not a typical concurrent modificationexception problem until you look at another concurrent modificationexcept……

Java

2020-08-12

Combining functions and predicates in Java 8

In the isbigorder method, if the total price of the products in the order is greater than 1000, it must return true Ho……

Java

2020-08-12

Java program for factorial incorrect output

I execute the following java code in the eclipse ide public class Programs { public static void main(String[] arg……

Java

2020-08-12

Java – why does the stream operation repeat with the collector?

Allow me to make some complaints, which may be interesting, but I want to describe: "why did you raise this question?"……

Java

2020-08-12

Recent Java references?

I've been programming java, but I've been away from it for some time Anyone can recommend a very good java reference, ……

Java

2020-08-12

Java – what is the character char ‘0x8’?

I have a lot of data in the database When I try to read a part of the data, generate some XML and send it to the web s……

Java

2020-08-12

Java – last working day of last month and localdate

public static String getLastWorkingDayOfPrevIoUsMonth() { public static String getLastWorkingDayOfPrevIoUsMonth() { ……

Java

2020-08-12

Java – switches the number in the int array according to the mode

I've been scanning the Internet and trying to come up with a solution for this simple program. Basically, users enter ……

Java

2020-08-12

Java – change eclipse getters setters syntax

Is it possible for eclipse to generate getvar1 () instead of getvar1 ()? (with capital g) Solution I doubt it very muc……

Java

2020-08-12

Java – error: the main method cannot be found in the class calculate, please define the main method as: public static void main (string [] args)

See the English answer > "main method not found" error when starting program? 7 Error: Main method not found in cla……

Java

2020-08-12

Java – fast string search, such as startswith() is not equal to ()

I have a sequence list (a dictionary – 100k words) and many words are often searched in this list Therefore, performan……

Java

2020-08-12

Java – sort objects by multiple attributes

I've been studying things that require me to classify objects (soft drinks) according to three attributes - Software (……

Java

2020-08-12

Multithreading – switch to parallel coding

We all write code for a single processor What do we need (software tools, logic, algorithms) to implement this transfo……

Java

2020-08-12

Java – Installation failed due to invalid URI

[2013-07-21 11:14:01 - AndroidTrial] Installation Failed due to invalid URI! [2013-07-21 11:14:01 - AndroidTrial] Inst……

Java

2020-08-12

MD5 uses iso-8859-1 string hash in Java

I am implementing a digital payment service interface called Suomen verkkomaksut Information about payment will be sen……

Java

2020-08-12

Java – deletes the last known entry in HashMap on map

OK, so this is a different bit I have a new HashMap private Map<String,Player> players = new HashMap<String,P……

Java

2020-08-12

Java – find coordinates in circles

I'm using Google maps under Grails for mashup. Users can create geonces by selecting points and radii on the map This ……

Java

2020-08-12

Java – Tomcat server timeout in eclipse

I encountered a Tomcat server problem in eclipse I received the following timeout error: Server Tomcat v7.0 Server at ……

Java

2020-08-12

Which simulates the optional parameters in Java better?

I have a Java method with three parameters, and I hope it also has the fourth "optional" parameter I know that Java do……

Java

2020-08-12

Java – is there a delayed loading implementation of JList?

Is there any way to implement delayed loading with swing's JList? Solution In a way, yes You can create a custom listm……

Java

2020-08-12

搜索内容

Java: copying properties from one object instance to another

Java – find hash table with maximum size

Java – what database do you want to use?

Java – Dao class method naming

Java – find specific file types from folders and their subfolders

Java 8 stream operation

Why is the string method substring () not in camelCase in Java?

Java – how do I know how many objects will be created using the following code?

Java – split string – Cartesian

Java inheritance method with return type

How to add multiline labels on the Java GUI?

Using interfaces in Java New problems

Java – do not modify the list, but still get concurrentmodificationexception

Combining functions and predicates in Java 8

Java program for factorial incorrect output

Java – why does the stream operation repeat with the collector?

Recent Java references?

Java – what is the character char ‘0x8’?

Java – last working day of last month and localdate

Java – switches the number in the int array according to the mode

Java – change eclipse getters setters syntax

Java – error: the main method cannot be found in the class calculate, please define the main method as: public static void main (string [] args)

Java – fast string search, such as startswith() is not equal to ()

Java – sort objects by multiple attributes

Multithreading – switch to parallel coding

Java – Installation failed due to invalid URI

MD5 uses iso-8859-1 string hash in Java

Java – deletes the last known entry in HashMap on map

Java – find coordinates in circles

Java – Tomcat server timeout in eclipse

Which simulates the optional parameters in Java better?

Java – is there a delayed loading implementation of JList?

Categories

Recent Posts

Tags