Use the bgcolor attribute in HTML to display the background color of an element. It is used to control the background of an HTML element, specifically page body and table backgrounds.Note − This attribute is not supported in HTML5.ExampleYou can try to run the following code to learn how to implement ... Read More

The trimToSize() method of the java.util.ArrayList class trims the capacity of this ArrayList instance to be the list's current size. An application can use this operation to minimize the storage of an ArrayList instance.Exampleimport java.util.ArrayList; public class ArrayListDemo {    public static void main(String args[]) {       ArrayList ... Read More

The clear() method of the class java.util.ArrayList removes all of the elements from this list. The list will be empty after this call returns.Exampleimport java.util.ArrayList; public class ArrayListDemo {    public static void main(String[] args) {       ArrayList arrlist = new ArrayList(5);       arrlist.add(20);   ... Read More

Java provides javax.json.Json package which contains classes to read a JSON array:Exampleimport java.io.FileOutputStream; import javax.json.Json; import javax.json.JsonArray; import javax.json.JsonWriter; public class JSONArrayToFile {    public static void main(String args[]) throws Exception {       JsonArray value = Json.createArrayBuilder()          .add(Json.createObjectBuilder()          .add("id", ... Read More

Using the copyOfRange() method you can copy an array within a range. This method accepts three parameters, an array that you want to copy, start and end indexes of the range.You split an array using this method by copying the array ranging from 0 to length/2 to one array and length/2 ... Read More

Plant maintenance (PM) status can be categorized into two status:System status and User status. System status is used by the system for recognizing business transactions for a certain object type. Ideally System status cannot be changed by Users. They are defined by SAP and hence are immutable.Whereas User status relies ... Read More

Please note that all these library files - librfc32.dll, com.sap.utils and com.sap.mw come under JCo 2.1. With release of JCo 3.0, it’s classes were also relocated from packages com.sap.mw.jco.* to com.sap.conn.jco.*For running with SAP JCo 3.0, you need these files at runtime - sapjco3.jar and sapjco3.dll (on Windows). You can ... Read More

Suppose we have the following table named stock_item in which the column quantity is having duplicate values i.e. for item name ‘Notebooks’ and ‘Pencil’, the column ‘Quantity’ is having duplicate values ‘40’ and for items ‘Shirts’, ‘Shoes’ and ‘Trousers’ triplicate value 29 is hold by column ‘quantity’ as shown in ... Read More

Forward declaration lets the code following the declaration know that there is are classes with the name Person. This satisfies the compiler when it sees these names used. Later the linker will find the definition of the classes. exampleClass Person; void myFunc(Person p1) {    // ... } Class Person ... Read More

MySQL throws this error because of the two reasons, either no directory is specified under --secure--file--priv variable or we are giving the wrong path in our query while importing or exporting the data. To tackle this error we must have to check the value of –secure—file—priv variable by following query ... Read More