We will be using the below formula to find the area of a circle − pi * r^2 In the program, we will prompt the user to input the radius of the circle. Then, we will use the formula to calculate the area and print it on the ... Read More

In this article, we will understand how to pass method call as arguments to another method. We can call a method from another class by just creating an object of that class inside another class. After creating an object, call methods using the object reference variable.Below is a demonstration of ... Read More

In this article, we will understand how to print square star pattern. The pattern is formed by using multiple for-loops and print statements.Below is a demonstration of the same −InputSuppose our input is −Enter the length of a side : 8OutputThe desired output would be −The square pattern : * ... Read More

A string is a class of 'java.lang' package that stores a series of characters. Those characters are actually String-type objects. We must enclose the value of string within double quotes. Generally, we can represent characters in lowercase and uppercase in Java. And, it is also possible to convert lowercase characters ... Read More

In this article, we will understand how to display all the prime numbers from 1 to N in Java. All possible positive numbers from 1 to infinity are called natural numbers. Prime numbers are special numbers who have only two factors 1 and itself and cannot be divided by any ... Read More

In this article, we will understand how to convert array into collection. The Collection is a framework that provides architecture to store and manipulate the group of objects. Java Collections can achieve all the operations that you perform on a data such as searching, sorting, insertion, manipulation, and deletion.Below is ... Read More

Gradients displays the combination of two or more colors. Linear gradients are used to arrange two or more colors in linear formats like top to bottom. Radial gradients appear at center. Linear-Gradient The linear gradient is set using the background-image property. The angle is set as the first parameter. Here ... Read More

We can use a combination of percentage and em to specify the font-size of elements for better compatibility of font. This allows us to have uniform text across different browsers. Both percentage and em are relative measurements. Syntax The syntax of CSS font-size property is as follows. The below works ... Read More

To customize the style for the input textbox having a placeholder, we use the :placeholder-shown pseudo-class of CSS. Placeholder text is a hint for the user to understand what is to be typed in the input text field. The following examples illustrate CSS :placeholder-shown pseudo-class. Set the border for the ... Read More

The CSS * selector is a universal selector which is used to select all elements of the HTML DOM. If you want to set a similar style for the entire document, then use the Universal selector. Syntax The syntax for CSS universal selector is as follows: Place the styles you ... Read More