Sravani S has Published 104 Answers

Constructor overloading in Java

Sravani S
Sravani S
Published on 22-Apr-2018 23:40:46
Yes! Java supports constructor overloading. In constructor loading, we create multiple constructors with the same name but with different parameters types or with different no of parameters.ExampleLive Demopublic class Tester {      private String message;      public Tester(){       message = "Hello World!";    }   ... Read More

Difference between constructor and method in Java

Sravani S
Sravani S
Published on 22-Apr-2018 23:36:25
Following are the difference between constructor and method.Constructor is used to initialize an object whereas method is used to exhibits functionality of an object.Constructors are invoked implicitly whereas methods are invoked explicitly.Constructor does not return any value where the method may/may not return a value.In case constructor is not present, ... Read More

Java static keyword

Sravani S
Sravani S
Published on 22-Apr-2018 23:29:30
The static keyword is used tocreate variables that will exist independently of any instances created for the class. Only one copy of the static variable exists regardless of the number of instances of the class. Static variables are also known as class variables. Local variables cannot be declared static.create methods ... Read More

How can we generate Strong numbers in Python?

Sravani S
Sravani S
Published on 20-Apr-2018 12:09:26
To print Strong Numbers, let's first look at the definition of it. It is a number that is the sum of factorials of its own digits. For example, 145 is a Strong number. First, create a function to calculate factorial:def fact(num):    def factorial(n):    num = 1    while ... Read More

How to create a triangle using Python for loop?

Sravani S
Sravani S
Published on 20-Apr-2018 10:16:32
There are multiple variations of generating triangle using numbers in Python. Let's look at the 2 simplest forms:for i in range(5):    for j in range(i + 1):       print(j + 1, end="")    print("")This will give the output:1 12 123 1234 12345You can also print numbers continuously ... Read More

How do I loop through a JSON file with multiple keys/sub-keys in Python?

Sravani S
Sravani S
Published on 19-Apr-2018 17:09:21
You can parse JSON files using the json module in Python. This module parses the json and puts it in a dict. You can then get the values from this like a normal dict. For example, if you have a json with the following content:{    "id": "file",    "value": ... Read More

How can we do Python operator overloading with multiple operands?

Sravani S
Sravani S
Published on 19-Apr-2018 15:26:34
You can do Python operator overloading with multiple operands just like you would do it for binary operators. For example, if you want to overload the + operator for a class, you'd do the following:class Complex(object):    def __init__(self, real, imag):       self.real = real       ... Read More

Set the font size with CSS

Sravani S
Sravani S
Published on 13-Apr-2018 14:18:42
The font-size property is used to increase or decrease the size of a font. The font-size property is used to control the size of fonts. Possible values could be xx-small, x-small, small, medium, large, x-large, xx-large, smaller, larger, size in pixels or in %.<html>    <head>    </head>    <body> ... Read More

Usage of background-color property in CSS

Sravani S
Sravani S
Published on 13-Apr-2018 12:11:13
The background-color property is used to set the background color of an element.You can try to run the following code to learn how to work with the background-color property:<html>    <head>    </head>    <body>       <p style = "background-color:blue;">       This text has a blue ... Read More

HTM5 checkValidity() method

Sravani S
Sravani S
Published on 11-Apr-2018 17:49:53
The HTML5 checkValidity() works in Google Chrome and Opera as well. This works as well:<!DOCTYPE html> <html>    <body>       <style>          .valid { color: #0B7866; }          .invalid { color: #0B6877; }       </style>       <div id="result"></div> ... Read More
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