To get Head Set, you need to use the headset() method. This allow a user to get a set of elements in sorted order.Firstly, set the TreeSet and add elementsTreeSet tSet = new TreeSet(); tSet.add("P"); tSet.add("Q"); tSet.add("R"); tSet.add("S");Let us now get the Head SetSortedSet s = tSet.headSet("S");The following is an ... Read More

The floorKey() method is used to get floor key i.e. to return the greatest key less than or equal to the given key, or null if there is no such key.The following is an example to get floor key from NavigableMapExample Live Demoimport java.util.*; public class Demo {    public static ... Read More

You can use aggregate function sum() inside COALESCE(). The below syntax returns the sum of all if the record exists otherwise 0 is returned. The syntax is as follows.select COALESCE(sum(yourColumnName2), 0) AS anyVariableName from yourTableName where yourColumnName1 like '%yourValue%';To understand the above syntax, let us create a table. The query ... Read More

This example demonstrate about How to get volley array list with custom object in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.   ... Read More

This example demonstrate about How to enable wifi in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In the above code, ... Read More

This example demonstrate about How to do reverse for volley array list with custom object in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. ... Read More

This example demonstrate about How to use Abstract list in volley json array in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.   ... Read More

You can try to run the following code to implement left to right gradient in CSS3ExampleLive Demo                    #grad1 {             height: 100px;             background: -webkit-linear-gradient(left, red , blue);             background: -o-linear-gradient(right, red, blue);             background: -moz-linear-gradient(right, red, blue);             background: linear-gradient(to right, red , blue);          }                        

This example demonstrate about How to check android mobile supports MAGNETIC FIELD sensorStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     In ... Read More

This example demonstrate about How to check android mobile supports GAME Rotation Vector sensorStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. In ... Read More