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How to get an enum value from a string value in Java?
...reated at compile time and do not appear in source code. They do appear in Javadoc, though; for example, Dialog.ModalityType shows both methods.
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How to read contacts on Android 2.0
...in your projection; then you wouldn't have to do a messy simulated join in Java.
– Yoni Samlan
Dec 17 '10 at 16:28
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Can I have H2 autocreate a schema in an in-memory database?
...ate.sql'";
Please note the double backslash (\\) is only required within Java. The backslash(es) before ; within the INIT is required.
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Can JSON start with “[”?
...re i is an index from 0 through the returned JSONArray's size()-1.
import java.io.IOException;
import com.ibm.json.java.JSONArray;
import com.ibm.json.java.JSONObject;
public class BookListTest {
public static void main(String[] args) {
String jsonBookList = "{\"book_list\":{\"book\":[{\"...
Differences in boolean operators: & vs && and | vs ||
...); // 6
Thanks to Carlos for pointing out the appropriate section in the Java Language Spec (15.22.1, 15.22.2) regarding the different behaviors of the operator based on its inputs.
Indeed when both inputs are boolean, the operators are considered the Boolean Logical Operators and behave similar...
How do I provide JVM arguments to VisualVM?
I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
Does Java support default parameter values?
I came across some Java code that had the following structure:
24 Answers
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Why do we need break after case statements?
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Java comes from C and that is the syntax from C.
There are times where you want multiple case statements to just have one execution path.
Below is a sample that will tell you how many days in a month.
class SwitchDemo2 {
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How to create a temporary directory/folder in Java?
...ere a standard and reliable way of creating a temporary directory inside a Java application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
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Java Name Hiding: The Hard Way
...ble with same name. For more such interesting cases, I would recommend 2 "Java Pitfalls" books: books.google.co.in/books/about/… books.google.co.in/books/about/…
– RRM
Jul 28 '14 at 8:06
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