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How do I read / convert an InputStream into a String in Java?
If you have a java.io.InputStream object, how should you process that object and produce a String ?
59 Answers
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Converting 'ArrayList to 'String[]' in Java
...ght I convert an ArrayList<String> object to a String[] array in Java?
16 Answers
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Find out what process registered a global hotkey? (Windows API)
... Do not use this app on Windows 8 or 10.
– Jeff Lange
Aug 22 '18 at 21:58
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Java Timer vs ExecutorService?
I have code where I schedule a task using java.util.Timer . I was looking around and saw ExecutorService can do the same. So this question here, have you used Timer and ExecutorService to schedule tasks, what is the benefit of one using over another?
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Variable length (Dynamic) Arrays in Java
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Yes: use ArrayList.
In Java, "normal" arrays are fixed-size. You have to give them a size and can't expand them or contract them. To change the size, you have to make a new array and copy the data you want - which is inefficient and a pain for you...
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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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 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...
Private and protected constructor in Scala
...ease tell me whether this is presented in one of the scala books or in the language specification? Sorry I can't upvote yet.
– Don Mackenzie
Nov 13 '09 at 17:31
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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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