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Does the JVM prevent tail call optimizations?
...bproject's status is listed as "proto 80%"; it is unlikely to make it into Java 7, but I think it has a very good chance at Java 8.
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When should I use File.separator and when File.pathSeparator?
...le part is implied. But who knows why they did a lot of what they did with Java.
– user489041
Dec 21 '16 at 17:34
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Best practices/performance: mixing StringBuilder.append with String.concat
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Effective Java 2-nd edition: Using the string concatenation operator repeatedly to concatenate n strings requires time quadratic in n. So is it still relevant?
– gkiko
Mar 17 '15 at 8:49
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Retain precision with double in Java
...ation into why this is happening:
The float and double primitive types in Java are floating point numbers, where the number is stored as a binary representation of a fraction and a exponent.
More specifically, a double-precision floating point value such as the double type is a 64-bit value, where...
How do you remove a Cookie in a Java Servlet
How do you remove a cookie in a Java servlet?
6 Answers
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Extracting .jar file with command line
...From the docs:
To extract the files from a jar file, use x, as in:
C:\Java> jar xf myFile.jar
To extract only certain files from a jar file, supply their filenames:
C:\Java> jar xf myFile.jar foo bar
The folder where jar is probably isn't C:\Java for you, on my Windows partition...
Enabling ProGuard in Eclipse for Android
...ers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
-keepclassmembers class **.R$* {
public static <fields>;
}
I think I've answered all t...
Difference between an application server and a servlet container?
...rvlet API (including JSP, JSTL).
An application server supports the whole JavaEE - EJB, JMS, CDI, JTA, the servlet API (including JSP, JSTL), etc.
It is possible to run most of the JavaEE technologies on a servlet-container, but you have to install a standalone implementation of the particular tec...
Java JUnit: The method X is ambiguous for type Y
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1811103%2fjava-junit-the-method-x-is-ambiguous-for-type-y%23new-answer', 'question_page');
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Does Java 8 provide a good way to repeat a value or function?
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Closures will completely transform Java code, for the better. Looking forward to that day...
– Marko Topolnik
Aug 30 '13 at 12:11
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