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File path to resource in our war/WEB-INF folder?
...B-INF/test/foo.txt");
http://tomcat.apache.org/tomcat-5.5-doc/servletapi/javax/servlet/ServletContext.html#getRealPath(java.lang.String)
That will get you the full system path to the resource you are looking for. However, that won't work if the Servlet Container never expands the WAR file (like ...
How do I use the new computeIfAbsent function?
...
Suppose you have the following code:
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class Test {
public static void main(String[] s) {
Map<String, Boolean> whoLetDogsOut = new ConcurrentHashMap<>();
whoLetDo...
Returning from a finally block in Java
...o find that it's possible to have a return statement in a finally block in Java.
6 Answers
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how to convert milliseconds to date format in android?
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Just Try this Sample code:-
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
public class Test {
/**
* Main Method
*/
public static void main(String[] args) {
System.out.println(getDate(82233213123L, "dd/MM/yy...
Get specific ArrayList item
... have already told you:
mainList.get(3);
Be sure to check the ArrayList Javadoc.
Also, be careful with the arrays indices: in Java, the first element is at index 0. So if you are trying to get the third element, your solution would be mainList.get(2);
...
What is a “surrogate pair” in Java?
...ng, characters are mapped to values between 0x0 and 0x10FFFF.
Internally, Java uses the UTF-16 encoding scheme to store strings of Unicode text. In UTF-16, 16-bit (two-byte) code units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complexity is...
Difference between thread's context class loader and normal classloader
...to accept the ClassLoader as a parameter, and this mistake has haunted the Java community to this day.
That said, many many JDK classes use one of a few hacks to guess some class loader to use. Some use the ContextClassLoader (which fails when you run different apps on a shared thread pool, or when...
Java Enum Methods - return opposite direction enum
... cannot be instantiated, but it illustrates my point). Is this possible in Java?
6 Answers
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Running a Haskell program on the Android OS
...ramework (added since android 2.3) or you must write JNI glue code between Java-C-Haskell, the former option is the easier solution and if I remember correctly might actually be backwards compatible with previous versions of Android below 2.3.
Once you have this you must build Haskell code as share...
Compiling Java 7 code via Maven
...ow it's building the command. Perhaps you or someone else has hard-coded a JAVA_HOME in there and forgotten about it.
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