enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. How do I declare and initialize an array in Java? - Stack...

   stackoverflow.com/questions/1200621

   There are several ways to declare and int array: int[] i = new int[capacity]; int[] i = new int[] {value1, value2, value3, etc}; int[] i = {value1, value2, value3, etc}; where in all of these, you can use int i[] instead of int[] i. With reflection, you can use (Type[]) Array.newInstance(Type.class, capacity);

3. How to set the environment variables for Java in Windows

   stackoverflow.com/questions/1672281

   Step 1 : Right Click on MyComputer and click on properties . Step 2 : Click on Advanced tab. Step 3: Click on Environment Variables. Step 4: Create a new class path for JAVA_HOME. Step 5: Enter the Variable name as JAVA_HOME and the value to your jdk bin path ie c:\Programfiles\Java\jdk-1.6\bin and.

4. What does "javascript:void (0)" mean? - Stack Overflow

   stackoverflow.com/questions/1291942

   35. Usage of javascript:void(0) means that the author of the HTML is misusing the anchor element in place of the button element. Anchor tags are often abused with the onclick event to create pseudo-buttons by setting href to "#" or "javascript:void (0)" to prevent the page from refreshing.

5. What is a NullPointerException, and how do I fix it?

   stackoverflow.com/questions/218384/what-is-a-nullpointerexception-and-how-do-i

   The NullPointerException (NPE) typically occurs when you declare a variable but did not create an object and assign it to the variable before trying to use the contents of the variable. So you have a reference to something that does not actually exist. Take the following code: Integer num; num = new Integer(10);

6. How to parse JSON in Java - Stack Overflow

   stackoverflow.com/questions/2591098/how-to-

   @OmarIthawi that is just silly. It's a proof-of-concept with awkward API, inefficient implementation. I think it is better to consider libraries on their own merits, instead of trying to deduce quality out of its authors visibility -- Doug has achieved many things, but that does not really change qualities of the particular lib. 10 years ago it was the only game in town, but since then there ...

7. What is the difference between JDK and JRE? - Stack Overflow

   stackoverflow.com/questions/1906445

   JRE is an acronym for Java Runtime Environment.It is used to provide runtime environment.It is the implementation of JVM.It physically exists.It contains set of libraries + other files that JVM uses at runtime. JDK is an acronym for Java Development Kit.It physically exists.It contains JRE + development tools.

8. What is the difference between varchar and nvarchar?

   stackoverflow.com/questions/144283

   The main difference between Varchar(n) and nvarchar(n) is: Varchar ( Variable-length, non-Unicode character data) size is upto 8000. It is a variable length data type. Used to store non-Unicode characters. Occupies 1 byte of space for each character. Nvarchar: Variable-length Unicode character data.

9. Getting random numbers in Java - Stack Overflow

   stackoverflow.com/questions/5887709

   The first solution is to use the java.util.Random class: import java.util.Random; Random rand = new Random(); // Obtain a number between [0 - 49]. int n = rand.nextInt(50); // Add 1 to the result to get a number from the required range. // (i.e., [1 - 50]). n += 1; Another solution is using Math.random():

10. What is the difference between public, protected, package-private...

    stackoverflow.com/questions/215497

    In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public, protected and private, while making class and interface and dealing with inheri...

11. How to get the current date/time in Java - Stack Overflow

    stackoverflow.com/questions/5175728

    ZonedDateTime zdt = instant.atZone( z ); We can skip the Instant and get the current ZonedDateTime directly. ZonedDateTime zdt = ZonedDateTime.now( z ); Always pass that optional time zone argument. If omitted, your JVM’s current default time zone is applied. The default can change at any moment, even during runtime.