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Articles by Abhinanda Shri
43 articles
How to split a Java String into tokens with StringTokenizer?
The hasMoreTokens() method is used to test if there are more tokens available from this tokenizer's string.Exampleimport java.util.*; public class StringTokenizerDemo { public static void main(String[] args) { // creating string tokenizer StringTokenizer st = new StringTokenizer("Come to learn"); // checking elements while (st.hasMoreElements()) { System.out.println("Next element : " + st.nextElement()); } } }OutputNext element : Come Next element : to Next element : learn
Read MoreJava string case change sample code examples.
You can change the cases using the toUpperCase() and toLowerCase() methods of the String class.Examplepublic class Sample { public static void main(String args[]){ String str = "Hello how are you"; String strUpper = str.toUpperCase(); System.out.println("Lower to upper : "+strUpper); String strLower = str.toLowerCase(); System.out.println("Upper to lower : "+strLower); } }OutputLower to upper : HELLO HOW ARE YOU Upper to lower : hello how are you
Read MoreHow to get current date/time in seconds in JavaScript?
To convert time in seconds, firstly get the current time. Then, multiply the hours to 3600 and minutes to 60; rest you can see below −(hours*3600) + (min*60) + secExampleYou can try to run the following code to get the current time in seconds − JavaScript Get Seconds var dt = new Date(); var sec = dt.getSeconds(); document.write("Seconds: " + sec); var min = dt.getMinutes(); document.write("Minutes: " + min); var hrs = dt.getHours(); document.write("Hours: " + hrs); var total_seconds = (hrs*3600) + (min*60) + sec; document.write("Total seconds: " + total_seconds) ; OutputSeconds: 35 Minutes: 37 Hours: 9 Total seconds: 34655
Read MoreIncremental Java infinite loop
ExampleFollowing is the required program −public class Tester { public static void main(String args[]) { int i = 0; do { i++; System.out.println(i); }while (true); } }The output will keep printing numbers in sequential order.
Read MoreHow to create an array of linked lists in java?
A linked list is a sequence of data structures, which are connected together via links.To create an array of linked lists, create required linked lists and, create an array of objects with them.Exampleimport java.util.LinkedList; public class ArrayOfLinkedList { public static void main(String args[]) { LinkedList list1 = new LinkedList(); list1.add("JavaFX"); list1.add("Hbase"); LinkedList list2 = new LinkedList(); list2.add("OpenCV"); list2.add("Mahout"); LinkedList list3 = new LinkedList(); list3.add("WebGL"); list3.add("CoffeeScript"); Object[] obj = {list1, list2, list3}; for (int i=0; i
Read MoreRotate Out Up Left Animation Effect with CSS
To create rotate out up left animation effect with CSS, you can try to run the following code −Example .animated { background-image: url(/css/images/logo.png); background-repeat: no-repeat; background-position: left top; padding-top:95px; margin-bottom:60px; -webkit-animation-duration: 10s; animation-duration: 10s; -webkit-animation-fill-mode: both; animation-fill-mode: both; } @-webkit-keyframes rotateOutUpLeft { 0% { -webkit-transform-origin: left bottom; -webkit-transform: rotate(0); opacity: 1; } 100% { -webkit-transform-origin: left bottom; -webkit-transform: rotate(-90deg); opacity: 0; } } @keyframes rotateOutUpLeft { 0% { transform-origin: left bottom; transform: rotate(0); opacity: 1; } 100% { -transform-origin: left bottom; -transform: rotate(-90deg); opacity: 0; } } .rotateOutUpLeft { -webkit-animation-name: rotateOutUpLeft; animation-name: rotateOutUpLeft; } Reload page function myFunction() { location.reload(); }
Read MoreHow can I put a Java arrays inside an array?
Exampleimport java.util.Arrays; public class ArrayWithinAnArray{ public static void main(String args[]) { int[] myArray1 = {23, 56, 78, 91}; int[] myArray2 = {123, 156, 178, 191}; int[] myArray3 = {223, 256, 278, 291}; int[] myArray4 = {323, 356, 378, 391}; int [][] arrayOfArrays = {myArray1, myArray2, myArray3, myArray4}; System.out.println(Arrays.deepToString(arrayOfArrays)); } }Output[[23, 56, 78, 91], [123, 156, 178, 191], [223, 256, 278, 291], [323, 356, 378, 391]]
Read MoreSet Media Queries for different CSS style rules for different size devices
To set media queries for different CSS style rules, you can try to run the following code − Example body { background-color: lightpink; } @media screen and (max-width: 420px) { body { background-color: lightblue; } } If screen size is less than 420px, then it will show lightblue color, or else it will show light pink color
Read MoreHow to use JavaScript Object.defineProperty?
If you want to define a new or modify a property on an object, then use the Object.defineProperty in JavaScript. Use the property like the following −Object.defineProperty(obj, prop, descriptor)The following are the parameters −obj – Property is defined on this object. prop – Name of the property descriptor − The descriptor for the propertyExampleYou can try to run the following code to learn how to implement Object.defineProperty in JavaScript − const obj = {}; Object.defineProperty(obj, 'prop', { value: 20, writable: false }); obj.prop = 10; document.write(obj.prop);
Read MoreIs their JavaScript scroll event for iPhone/iPad?
Yes, iOS capture onscroll events for a scroll. This is called one-finger events. What the user is tapping or touching decides whether an event is generated or not.Here is panning gesture,Image credit − AppleIt can also be touch and hold gesture,Image credit − Apple
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