To answer this question, we need to understand the development of web browsers and their history.
Option A) Internet Explorer - Internet Explorer was not the first web browser developed in Java. It was developed by Microsoft and primarily used the C++ programming language.
Option B) Netscape Navigator - Netscape Navigator was not the first web browser developed in Java. It was developed by Netscape Communications Corporation and initially written in C and C++ programming languages.
Option C) Hotjava - Hotjava was the first web browser developed in Java. It was a project by Sun Microsystems and released in 1995. Hotjava was a significant development as it showcased the capabilities of the Java programming language in creating cross-platform applications.
Option D) Opera - Opera was not the first web browser developed in Java. It was developed by Opera Software and primarily used the C++ programming language.
The correct answer is Option C) Hotjava. This option is correct because Hotjava was the first web browser developed in Java.