Ethiopia’s national digital identity registration program is expanding across the Tigray region as part of the country’s “Digital Ethiopia 2025” vision. The Fayda Digital ID initiative, which aims to ...

The more familiar you are with Object and its methods, the more you can do with your Java programs.

Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

public int calculateComission () { // comission = 0.1 * salesMade } Create a Java Class for sales manager: public void calculateComission () { // 0.03 * all sales made by team } Run the main method ...

Automated program repair is one important research area in software engineering which includes methods for automatically fixing programs. This paper proposes a method for fixing bugs related to ...

The programming system derives its ability to grade in the presence of errors from the use of the Java reflection classes, the Java inheritance mechanism, and Perl regular expressions. The reflection ...