First, set the collection −String strArr[] = { "P", "Q", "R", "S" };Now, take a Set and add all the elements of the above collection using asList() method −Set s = new HashSet(Arrays.asList(strArr));The following is an example to add all elements from a collection to the HashSet −Example Live Demoimport java.util.Arrays; ... Read More

Declare a HashSet and add elements −Set hs = new HashSet(); hs.add(15); hs.add(71); hs.add(82); hs.add(89); hs.add(91); hs.add(93); hs.add(97); hs.add(99);To copy all the elements, use the toArray() method −Object[] obArr = hs.toArray();The following is an example to copy all elements to HashSet to an object array −Example Live Demoimport java.util.*; public class ... Read More

Create a HashSet and add elements to it −Set hs = new HashSet(); hs.add(20); hs.add(39); hs.add(67); hs.add(79); hs.add(81); hs.add(87);Try the below given code to iterate through the elements −Iterator i = hs.iterator(); while (i.hasNext()) System.out.println(i.next());To iterate through the elements of HashSet, try the following code −Example Live Demoimport java.util.*; public class ... Read More

Declare a HashSet and add elements −Set hs = new HashSet(); hs.add(20); hs.add(39); hs.add(67); hs.add(79);Now, iterate over the elements −for (Iterator i = hs.iterator(); i.hasNext();) {    Object ele = i.next();    System.out.println(ele); }The following is an example that iterate over the elements of HashSet −Example Live Demoimport java.util.HashSet; import java.util.Iterator; ... Read More

Use the font-size-adjust property to preserve the readability when font fallback occurs. You can try to run the following code to implement the font-size-adjust propertyExampleLive Demo                    #demo {             font-size-adjust: 0.90;          }                     Heading Two       With font-size-adjust property:                This is demo text.             Without font-size-adjust property:       This is demo text.    

Use the grid-column-gap property to set the size of the gap between grid columns in CSSExampleLive Demo                    .container {             display: grid;             grid-auto-rows: 50px;             grid-column-gap: 30px;             grid-row-gap: 20px;             background-color: #2E86C1;             padding: 10px;          }          .container>div {             background-color: #F2D7D5;             text-align: center;             padding:10px 0;             font-size: 20px;          }          .ele3 {             grid-column-end: span 2;          }                              1          2          3          4          5          6          

Use the all property to reset all the properties. Set all property to initial, inherit or unset.You can try to run the following code to implement the CSS all propertyExampleLive Demo                    html {             color: blue;          }          #demo {             background-color: yellow;             color: red;             all: inherit;          }                     CSS all property       This is demo text.    

To implement animation on the border-bottom-left-radius property with CSS, you can try to run the following codeExampleLive Demo                    div {             width: 500px;             height: 400px;       ... Read More

Set a linear gradient as the background image, with linear-gradient() CSS function. You can try to run the following code to implement linear-gradient() function in CSSExampleLive Demo                    #demo {             height: 200px;             background: linear-gradient(green, orange, maroon);          }                     Setting background as linear gradient.          

It can be a Cross-Origin Resource Sharing (CORS) issue.video.crossOrigin = 'anonymous';To enable cross-origin resource sharing, use the following. It allows the images to pass the HTTP header with an image response.Access-Control-Allow-Origin: *You can also use the HTML() method −$('#audio').html('');