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Why java classes do not inherit annotations from implemented interfaces?
...implementing class doesn't inherit the annotation as stated in Inherited's java doc:
2 Answers
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Java - escape string to prevent SQL injection
I'm trying to put some anti sql injection in place in java and am finding it very difficult to work with the the "replaceAll" string function. Ultimately I need a function that will convert any existing \ to \\ , any " to \" , any ' to \' , and any \n to \\n so that when the string is e...
How does JavaFX compare to WPF? [closed]
I'm mostly a C# programmer, I stopped writing Java about 10 years ago, but I try to keep up with the technology in Java by reading articles, talking with friends, etc.
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Why do I need to override the equals and hashCode methods in Java?
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Joshua Bloch says on Effective Java
You must override hashCode() in every class that overrides equals(). Failure to do so will result in a violation of the general contract for Object.hashCode(), which will prevent your class from functioning properly in ...
What is the easiest way to get the current day of the week in Android?
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Use the Java Calendar class.
Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK);
switch (day) {
case Calendar.SUNDAY:
// Current day is Sunday
break;
case Calendar.MOND...
Run a JAR file from the command line and specify classpath
...re)
Specify everything (including your jar) on the commandline using -cp:
java -cp MyJar.jar:lib/* com.somepackage.subpackage.Main
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How to supply value to an annotation from a Constant java
I am thinking this may not be possible in Java because annotation and its parameters are resolved at compile time. I have an interface as follows,
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Type List vs type ArrayList in Java [duplicate]
...rn types being changed as well (will cause a NoSuchMethodException between Java versions if the internal return type changes). An example of this is the change in the return type of keySet in ConcurrentHashMap between Java 7 and 8.
– Rogue
Mar 12 '15 at 23:11
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How can I generate an MD5 hash?
Is there any method to generate MD5 hash of a string in Java?
34 Answers
34
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Difference between File.separator and slash in paths
...hat is the difference between using File.separator and a normal / in a Java Path-String?
14 Answers
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