Tech24 Deals Web Search

Search results

1. Results from the Tech24 Deals Content Network

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

   stackoverflow.com/questions/1200621

   There are various ways in which you can declare an array in Java: float floatArray []; // Initialize later int [] integerArray = new int [10]; String [] array = new String [] {"a", "b"}; You can find more information in the Sun tutorial site and the JavaDoc. edited Feb 6, 2018 at 17:14. Peter Mortensen.

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

   stackoverflow.com/questions/1672281

   Step 2: Go to "Advance System Setting" and click on it. Step 3: Go to "Start" and get into the "My Computer" properties. Step 4: The dialog for Environment variable will open like this: Step 5: Go to path and click on edit. Step 6: Put the path of your JDK wherever it resides up to bin like you can see in the picture.

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

   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. Correct way to trim a string in Java - Stack Overflow

   stackoverflow.com/questions/20291307

   In Java, I am doing this to trim a string: String input = " some Thing "; System.out.println("before->>"+input+"<<-"); input = input.trim(); System.out.println("after ...

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

   stackoverflow.com/questions/1906445

   It is a specification that provides runtime environment in which java bytecode can be executed. 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 ...

8. How to parse JSON in Java - Stack Overflow

   stackoverflow.com/questions/2591098

   Step 1: Add the jayway JSON path dependency in your class path using Maven or download the JAR file and manually add it. <dependency> <groupId>com.jayway.jsonpath</groupId> <artifactId>json-path</artifactId> <version>2.2.0</version> </dependency>. Step 2: Please save your input JSON as a file for this example.

9. 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.

10. Spring HelloWorld : Exception in thread "main" java.lang ...

    stackoverflow.com/questions/43523169

    Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand

11. how to fetch data from database in Hibernate - Stack Overflow

    stackoverflow.com/questions/20781286

    1. Hibernate has its own sql features that is known as hibernate query language. for retriving data from database using hibernate. String sql_query = "from employee"//user table name which is in database. Query query = session.createQuery(sql_query); //for fetch we need iterator. Iterator it=query.iterator();