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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to perform sort using Java?
You can sort an array using sort() method of the Arrays class.Exampleimport java.util.Arrays; public class MainClass { public static void main(String args[]) throws Exception { int array[] = { 2, 5, -2, 6, -3, 8, 0, -7, -9, 4 }; Arrays.sort(array); printArray("Sorted array", array); int index = Arrays.binarySearch(array, 1); System.out.println("Didn't find 1 @ " + index); int newIndex = -index - 1; array = insertElement(array, 1, newIndex); printArray("With 1 added", array); } ...
Read MoreHow to toggle a div visibility using jQuery?
To toggle a div visibility in jQuery, use the toggle() method. It checks the div element for visibility i.e. the show() method if div is hidden. And hide() id the div element is visible. This eventually creates a toggle effect.The toggle( speed, [callback]) method toggles displaying each of the set of matched elements using a graceful animation and firing an optional callback after completion.Here is the description of all the parameters used by this method −speed − A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).callback − ...
Read MoreHow to open a plain text file in Java?
You can access a plain text using the File class.Exampleimport java.io.File; public class ReadFile { public static void main(String[] args) { File f = null; String str = "data.txt"; try { f = new File(str); boolean bool = f.canExecute(); String a = f.getAbsolutePath(); System.out.print(a); System.out.println(" is executable: "+ bool); } catch (Exception e) { e.printStackTrace(); } } }Output C:\Users\data is executable: true
Read MoreHow to insert an element into DOM using jQuery?
There may be a situation when you would like to insert new one or more DOM elements in your existing document. jQuery provides various methods to insert elements at various locations.The after( content ) method insert content after each of the matched elements whereas the method before( content ) method inserts content before each of the matched elements.After contentThe after( content ) method inserts content after each of the matched elements.ExampleYou can try to run the following code to learn how to insert an element into DOM, with after() method: jQuery after(content) method ...
Read MoreWhat is the difference between jQuery.show() and jQuery.hide()?
jQuery show() methodThe show( speed, [callback] ) method shows all matched elements using a graceful animation and firing an optional callback after completion.Here is the description of all the parameters used by this method −speed − A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).callback − This is optional parameter representing a function to call once the animation is complete.ExampleYou can try to run the following code to learn how to work with show() method: The jQuery Example ...
Read MoreHow to use labels in Java code?
Java provides two types of branching/control statements namely, break and continue.The break statementThis statement terminates the loop or switch statement and transfers execution to the statement immediately following the loop or switch.ExampleFollowing is the example of the break statement. Here we are trying to print elements up to 10 and, using break statement we are terminating the loop when the value in the loop reaches 8.public class BreakExample { public static void main(String args[]){ for(int i=0; i
Read MoreWhat is the difference between jQuery.hide() and jQuery.remove() methods in jQuery?
jQuery.hide()If you want to hide an element, then use the hide() method to hide the selected element.ExampleYou can try to run the following code to learn how to work with jQuery.hide() method using jQuery: $(document).ready(function(){ $(".button1").click(function(){ $("p").hide(); }); $(".button2").click(function(){ $("p").show(); }); }); Hide the element Show the element This is demo text. jQuery.remove()The remove() method will remove the selected elements, but it also includes the text and child nodes.ExampleYou can try to run the ...
Read MoreWhat is the difference between jQuery.empty() and jQuery.remove() methods in jQuery?
jQuery.empty()The empty() method removes all child nodes from the set of matched elements.ExampleYou can try to run the following code to learn how to work with jQuery empty() method: jQuery empty() method $(document).ready(function() { $("div").click(function () { $(this).empty(); }); }); ...
Read MoreExplain jQuery.append(), jQuery.prepend(), jQuery.after() and jQuery.before() methods.
jQuery.append()The append( content ) method appends content to the inside of every matched element. Here is the description of all the parameters used by this method −content − Content to insert after each target. This could be HTML or Text contentExampleYou can try to run the following code to learn how to work with jQuery.append() method: jQuery append() method $(document).ready(function() { $("div").click(function () { $(this).append('' ); ...
Read MoreHow to get objects by ID, Class, Tag, and Attribute in jQuery?
Here’s how you can get objects by ID Selector (#id), by Class Selector (.class), by Tag, and Attribute (.attr()).Get Object by Class SelectorExampleThe element class selector selects all the elements which match with the given class of the elements. jQuery Selector $(document).ready(function() { $(".big").css("background-color", "yellow"); }); This is first division ...
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