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Getting a File's MD5 Checksum in Java
I am looking to use Java to get the MD5 checksum of a file. I was really surprised but I haven't been able to find anything that shows how to get the MD5 checksum of a file.
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How to add hyperlink in JLabel?
...ng[] args) throws URISyntaxException {
final URI uri = new URI("http://java.sun.com");
class OpenUrlAction implements ActionListener {
@Override public void actionPerformed(ActionEvent e) {
open(uri);
}
}
JFrame frame = new JFrame("Links");
frame.setDefaultClo...
How to asynchronously call a method in Java
...routines lately and thought it would be nice to have something similar in Java. As far as I've searched the common way to parallelize a method call is to do something like:
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How do I programmatically determine operating system in Java?
I would like to determine the operating system of the host that my Java program is running programmatically (for example: I would like to be able to load different properties based on whether I am on a Windows or Unix platform). What is the safest way to do this with 100% reliability?
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What is a NullPointerException, and how do I fix it?
What are Null Pointer Exceptions ( java.lang.NullPointerException ) and what causes them?
12 Answers
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The import org.junit cannot be resolved
I need to solve a java problem for an interview, and they have sent me the test class. It starts with
13 Answers
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How to check certificate name and alias in keystore files?
...f the alias is not found, it will display an exception:
keytool error: java.lang.Exception: Alias does not exist
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Does Java have a path joining method? [duplicate]
combine paths in java
4 Answers
4
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Convert list to array in Java [duplicate]
How can I convert a List to an Array in Java?
11 Answers
11
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How to send SMS in Java
What are the possible ways to send and receive sms from Java application?
16 Answers
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