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What is a raw type and why shouldn't we use it?
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What is a raw type?
The Java Language Specification defines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an accompanying typ...
How to write a UTF-8 file with Java?
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If you read the Java docs on the link shown in the question, then it tells you the version of the Commons IO API where the write APIs were introduced. It looks like the write APIs were introduced from v2.0 onwards.
– A_...
How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
....jar && wget http://central.maven.org/maven2/mysql/mysql-connector-java/5.1.27/mysql-connector-java-5.1.27.jar
– jmojico
Dec 17 '19 at 16:38
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Uncatchable ChuckNorrisException
Is it possible to construct a snippet of code in Java that would make a hypothetical java.lang.ChuckNorrisException uncatchable?
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Finding Key associated with max Value in a Java Map
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Would Java 8 streams usage help in simplifying this anymore? e.x: map.forEach((k,v) -> ...
– zkarthik
Dec 24 '14 at 17:04
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How can I get System variable value in Java?
...s either the current value of a system wide variable or a user variable in Java, see below:
String javaHome = System.getenv("JAVA_HOME");
For more information on environment variables see this wikipedia page.
Also make sure the environment variable you are trying to read is properly set before i...
How to call a method with a separate thread in Java?
...t = new Thread(myRunnable)
t.start();
}
}
Take a look at Java's concurrency tutorial to get started.
If your method is going to be called frequently, then it may not be worth creating a new thread each time, as this is an expensive operation. It would probably be best to use a thr...
How to make git ignore changes in case?
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Yes, and when you work with Java files, you want this setting to be set to false, otherwise you might be in trouble when doing such refactoring (class HTMLParser becoming HtmlParser or the reverse).
– PhiLho
Nov 30...
How to split a String by space
...a solution. It is far from optimal to rely on regex for this, but now that Java has 8bit / 16bit byte representation, an efficient solution for this becomes quite long.
public class SplitStringTest
{
static final Pattern TRIM_UNICODE_PATTERN = Pattern.compile("^\\p{Blank}*(.*)\\p{Blank}$", UNICO...
How to generate UML diagrams (especially sequence diagrams) from Java code?
...w can I generate UML diagrams (especially sequence diagrams) from existing Java code?
16 Answers
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