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How can we prepend strings with StringBuilder?
...ple is: varStringBuilder.insert(0, "someThing");
It works both for C# and Java
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Parsing JSON array into java.util.List with Gson
...tring> and then parse the JSON array into that Type, like this:
import java.lang.reflect.Type;
import com.google.gson.reflect.TypeToken;
JsonElement yourJson = mapping.get("servers");
Type listType = new TypeToken<List<String>>() {}.getType();
List<String> yourList = new Gson...
Is there a stopwatch in Java?
Is there a stopwatch in Java? On google I only find code of stopwatches which don't work - they always return 0 milliseconds.
...
Loading a properties file from Java package
...tive to the directory which represents the package the class is in.
Using java.lang.String.class.getResource("foo.txt") would search for the (inexistent) file /java/lang/String/foo.txt on the classpath.
Using an absolute path (one that starts with '/') means that the current package is ignored.
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Java: How to test methods that call System.exit()?
...ystem Rules, a collection of JUnit(4.9+) rules for testing code which uses java.lang.System.
This was initially mentioned by Stefan Birkner in his answer in December 2011.
System.exit(…)
Use the ExpectedSystemExit rule to verify that System.exit(…) is called.
You could verify the exit st...
How to store printStackTrace into a string [duplicate]
...ce () method instead of printStackTrace(). Here is a good example:
import java.io.*;
/**
* Simple utilities to return the stack trace of an
* exception as a String.
*/
public final class StackTraceUtil {
public static String getStackTrace(Throwable aThrowable) {
final Writer result = new St...
string to string array conversion in java
...ame";
I want to convert into a string array.
How do I do it?
Is there any java built in function? Manually I can do it but I'm searching for a java built in function.
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javax.faces.application.ViewExpiredException: View could not be restored
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Introduction
The ViewExpiredException will be thrown whenever the javax.faces.STATE_SAVING_METHOD is set to server (default) and the enduser sends a HTTP POST request on a view via <h:form> with <h:commandLink>, <h:commandButton> or <f:ajax>, while the associated vie...
What's the best way to inverse sort in scala?
...in case of size):
scala> val list = List("abc","a","abcde")
list: List[java.lang.String] = List(abc, a, abcde)
scala> list.sortBy(-_.size)
res0: List[java.lang.String] = List(abcde, abc, a)
scala> list.sortBy(_.size)
res1: List[java.lang.String] = List(a, abc, abcde)
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How to find nth occurrence of character in a string?
Similar to a question posted here , am looking
for a solution in Java.
17 Answers
17
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