Give me an example Atul_Rai Posted on February 03, 2015 Inheritance in javais a mechanism in which one object acquires all the properties and behaviors of parent object. Types of Inheritance 1- single 2- multilevel 3- hierarchical Note: Java does not support multiple inheritance // Example o...
IllegalArgumentExceptionis an unchecked exception that occurs when an incorrect argument is passed to a method. NullPointerExceptionis an unchecked exception that occurs when a user tries to access an object using a reference variable that is null or empty. In this example, a variable is left un...
In Java, a backslash is essential for executing certain commands, and also serves many other purposes. It's most used as an escape character to create a new line (\\n), as well as being used to escape characters within strings so that quotation marks or other special characters are accept...
whenever dealing with an equation or a piece of code that involves parentheses it is always important to make sure that all of your open and close brackets balance out i.e. each opening bracket should eventually have its own closing one in order for the equation/code to even run properly ...
In this example, friendFunction is declared a friend of the MyClass class and can access its private member, privateData. By using ‘friend,’ the compiler recognizes the keyword and knows that the function is a friend function in a C++ program. What is a Friend Class in C++? Friend clas...
If the answer is no (which is perfectly okay), take a deep breath, and read the explanation (and if you still don't understand, shout out! and create an issue here). If yes, give a gentle pat on your back, and you may skip to the next example.👀...
'Word.Application' is not defined "aspnet_compiler.exe" exited with code 1 "Cannot create ActiveX Component" "Exception from HRESULT: 0x800A03EC" Unable to open excel file "Failed to compare two elements in the array." "Object reference not set to an instance of an object" error which...
Interfaces with optional properties are written similar to other interfaces, with each optional property denoted by a ? at the end of the property name in the declaration. What is?and Optional Properties? At the end of some non-required property names of the interface, add?This is an optional...
75% of the heap is live with objects from 128 bytes – 20 MB (humongous objects) If you’d like to follow along at home, here’s an example command line: jdk-17.0.2+8/bin/java-Xms80G-Xmx80G-Xlog:gc*,gc+ref=debug,gc+phases=debug,gc+age=trace,safepoint:file=<GC log file>-XX:...
Git is an open-source version control system for tracking changes in source code during software development as it stores the information as snapshots.