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What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
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Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
Converting a string to int in Groovy
... and would like to convert it to an int . Is there a groovy equivalent of Java's Integer.parseInt(String) ?
13 Answers
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limiting java ssl debug logging
...he format for using the additional ssl flags is ssl:[flag] for example:
-Djavax.net.debug=ssl:record or -Djavax.net.debug=ssl:handshake.
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Why does the MongoDB Java driver use a random number generator in a conditional?
I saw the following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do?
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How can we redirect a Java program console output to multiple files?
...to provide alternative formatting. The argument must be valid pattern for java.util.SimpleDateFormat.
Or you can also use a system_property or an env_var to specify something dynamic (either one needs to be specified as arguments)
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What's the best way to check if a String represents an integer in Java?
... (c < '0' || c > '9')... are the <= and >= operators faster in Java?
– Anonymous
Oct 26 '08 at 1:43
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How can I use MS Visual Studio for Android Development?
...t;install_path>\android-ndk
ANT_HOME = <install_path>\apache-ant
JAVA_HOME = <install_path>\jdk
_JAVA_OPTIONS = -Xms256m -Xmx512m
Download examples from here.
It works like a charm... and best so far to use.
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Java JDBC - How to connect to Oracle using Service Name instead of SID
I have a Java application that uses JDBC (via JPA) that was connecting to a development database using hostname, port and Oracle SID, like this:
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@RequestParam in Spring MVC handling optional parameters
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As part of Spring 4.1.1 onwards you now have full support of Java 8 Optional (original ticket) therefore in your example both requests will go via your single mapping endpoint as long as you replace required=false with Optional for your 3 params logout, name, password:
@RequestMapping...