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boutiqueMerge operations for Java Stream streams
1. Introduction Java Stream Api provides many useful Apis that make it convenient for us to combine collections or multiple similar types...
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boutiqueDetailed usage guide for the Java 8 Stream API
1. overview
An important feature introduced by Java 8 is undoubtedly the Stream API. Stream translates as "stream"...
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boutiqueJava 8 Time Api User Guide Collector's Edition
1. overview
Java 8 introduces new APIs for Date and Time to solve the problem of old java.util.Date and java.util.Ca...
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boutiqueJava 9 to Java 17
Java 17 is one of the most important LTS releases of Java, but the direct transition from Java 8 to Java 17 is too long.
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boutiqueSkip and limit operations in Java 8 Stream Api
1. preface
The skip () and limit () methods in the Java 8 Stream API have similar effects. They all...
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boutiqueGet file path in java
1. Introduction In Java development, we often need to obtain the path of a file, such as reading configuration files, etc. Today we will...
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boutiqueDiscussion on Functional Programming
1. Foreword has become busy recently, and there is less and less time to write. I started trying in Java development these days...
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boutiqueFrom Java 9 to Java 17 to Java 12
There are not many features that are useful to developers in Java 12, but it is still useful.
String enhancement
Java ...
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boutiqueFutureTask in Java
1. The previous article in the preface briefly introduced the Future interface in Java, leaving a hole. I will make up for it today...
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boutiqueJava rapid development QR code generation service
1. Preface I don't know when it started, but our lives were suddenly filled with QR codes, even the chickens of the ladies on the street...
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boutiqueSharing some practical skills for Java ServletRequest
1. preface
ServletRequest is a Servlet Api that we often come into contact with when working on Java Web. Sometimes I...
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boutiqueHow to determine whether a string is a number in java
preface
Numbers are often represented and conveyed in strings in some fields. So how do we determine a string...
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boutiqueJava Development Tips: Reduce the Use of Magic Points
1. Preface When refactoring old code, I encountered similar writing:
public void attend(String value)...
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boutiqueJava random number traps
preface
We should be familiar with random numbers. We use them to generate Captcha in business, or we have low requirements for repeatability...
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