The rule of five is applied in C++ for resource management. Resource management frees the client from having to worry about the lifetime of the managed object, potentially eliminating memory leaks and other problems in the C++ code. But this management comes at a cost. The Rule of The Big ... Read More

To select elements whose attribute value contains a specified value, use the [attribute*=”value”] selector.You can try to run the following code to implement the CSS [attribute*="value"] selector,ExampleLive Demo                    [alt* = "tut"] {             border: 5px solid orange;             border-radius: 5px;          }                              

Use the CSS perspective property to specify the perspective on how 3D elements are viewed.You can try to run the following code to achieve thisExampleLive Demo                    .demo1 {             position: relative;       ... Read More

To add a blur effect to the shadow, use the box-shadow property.You can try to run the following code to add blur effectExampleLive Demo                    h2 {             box-shadow: 10px 10px 7px green;             height: 50px;             background-color: yellow;          }                     Heading Two       Above heading has shadow.    

The volatile modifier is used to let the JVM know that a thread accessing the variable must always merge its own private copy of the variable with the master copy in the memory.Accessing a volatile variable synchronizes all the cached copied of the variables in the main memory. Volatile can ... Read More

Jagged array is a multidimensional array where member arrays are of different size. For example, we can create a 2D array where first array is of 3 elements, and is of 4 elements. Following is the example demonstrating the concept of jagged array.Example Live Demopublic class Tester {    public static ... Read More

To set border to form inputs, use the CSS border property.You can try to run the following code to add borderExampleLive Demo                    input[type = text] {             width: 100%;             padding: 10px 15px;             margin: 5px 0;             box-sizing: border-box;             border: 3px inset orange;          }                     Fill the below form,                Subject                    Student                    

Optional is a container object used to contain not-null objects. Optional object is used to represent null with absent value. This class has various utility methods to facilitate code to handle values as 'available' or 'not available' instead of checking null values. It is introduced in Java 8 and is ... Read More

isInstance method is equivalent to instanceof operator. The method is used in case of objects are created at runtime using reflection. General practice says if type is to be checked at runtime then use isInstance method otherwise instanceof operator can be used. See the example below −Example Live Demopublic class Tester{ ... Read More

We can create Thread by either by implementing a runnable interface or by extending Thread class. Below are the detailed steps of using both ways to create Thread.Create a Thread by Implementing a Runnable InterfaceIf your class is intended to be executed as a thread then you can achieve this ... Read More