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Articles on Trending Technologies
Technical articles with clear explanations and examples
Java Program to Check if a String is Numeric
ExampleYou can check if a given string is Numeric as shown in the following program.import java.util.Scanner; public class StringNumeric { public static void main(String[] args) { Scanner sc = new Scanner(System.in); System.out.println("Enter a string ::"); String str = sc.next(); boolean number = str.matches("-?\d+(\.\d+)?"); if(number) { System.out.println("Given string is a number"); } else { System.out.println("Given string is not a number"); } } }OutputEnter a string :: 4245 Given string is a number
Read MoreJava Program to Convert a Stack Trace to a String
The Java.io.StringWriter class is a character stream that collects its output in a string buffer, which can then be used to construct a string. Closing a StringWriter has no effect.The Java.io.PrintWriter class prints formatted representations of objects to a text-output stream.Using these two classes you can convert a Stack Trace to a String.Exampleimport java.io.PrintWriter; import java.io.StringWriter; public class StackTraceToString { public static void main(String args[]) { try { int a[] = new int[2]; System.out.println("Access element three :" + a[3]); } catch (ArrayIndexOutOfBoundsException e) { ...
Read MoreUsage of CSS :first-line pseudo-element
Use this element to add special styles to the first line of the text in a selector. The following example demonstrates how to use the :first-line element to add special effects to the first line of elements in the document.Example p:first-line { text-decoration: underline; } p.noline:first-line { text-decoration: none; } This line would not ...
Read MoreWhich element is used to add special style to the first letter of the text in a selector with CSS
Use the :first-letter element to add special effects to the first letter of elements in the document. You can try to run the following code to add special styles to the first letter of text −Example p:first-letter { font-size: 5em; } p.normal:first-letter { font-size: 10px; } First character of this paragraph will be normal ...
Read MoreFade Out Left Animation Effect with CSS
To implement Fade Out Left Animation Effect on an image 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 fadeOutLeft { 0% { opacity: 1; -webkit-transform: translateX(0); } 100% { opacity: 0; -webkit-transform: translateX(-20px); } } @keyframes fadeOutLeft { 0% { opacity: 1; transform: translateX(0); } 100% { opacity: 0; transform: translateX(-20px); } } .fadeOutLeft { -webkit-animation-name: fadeOutLeft; animation-name: fadeOutLeft; } Reload page function myFunction() { location.reload(); }
Read MoreUsage of CSS !important rule
The !important rule provides a way to make your CSS cascade. It also includes the rules that are to be applied always. A rule having a !important property will always be applied, no matter where that rule appears in the CSS document.For example, in the following style sheet, the paragraph text will be black, even though the first style property applied is red − If you want to make sure that a property always applied, you would add the !important property to the tag. Therefore, to make the paragraph text always red, you should write it as follows ...
Read MoreDisable text wrapping inside an element using CSS
To disable text wrapping inside an element, use the white-space property. You can try to run the following code to implement the white-space propertyExample p { white-space: nowrap; } This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is demo text. This is some text. This is demo text.
Read MoreHow to create a two dimensional array in JavaScript?
A two-dimensional array has more than one dimension, such as myarray[0][0] for element one, myarray[0][1] for element two, etc. To create a two-dimensional array in JavaScript, you can try to run the following code −Example var myarray=new Array(3); for (i=0; i
Read MoreMake any particular color transparent with CSS Filters
To make any particular color transparent, use Chroma Filter. You can use it with scrollbars also.The following parameter can be used in this filterParameterDescriptionColorThe color that you'd like to be transparent.Implementing the CSS Chroma Filter − Text Example: CSS Tutorials
Read MoreFade Out Down Animation Effect with CSS
To implement Fade Out Down Animation Effect on an image 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 fadeOutDown { 0% { opacity: 1; -webkit-transform: translateY(0); } 100% { opacity: 0; -webkit-transform: translateY(20px); } } @keyframes fadeOutDown { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(20px); } } .fadeOutDown { -webkit-animation-name: fadeOutDown; animation-name: fadeOutDown; } Reload page function myFunction() { location.reload(); }
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