"Java compiled code (byte code) can run on all operating systems"
— Name the feature.

1. Robust and Secure
2. Object Oriented
3. Platform Independent
4. Multithreaded

Java is such a programming language which allows creating logic using simple statements. It is also focused on web designing and string manipulation system even without calling default package.

Based on the above discussion, following are some of the features or terms described. Now, answer these questions:

(a) It is a Java program that is executed using Java based web browser.

(b) It is a Windows based platform for Java programming.

(c) It is a default package of Java programming.

(d) It is the executable code suitable to a specific platform, converted from Java source code.