What is use of Observable class?
A. It is used to create global subclasses
B. It is used to create classes that other part of program can observe.
C. It is used to create classes that can be accessed by other parts of program.
D. It is used to create methods that can be accessed by other parts of program.
Answer:A
What is use of Observable class?
A. It is used to create global subclasses B. It is used to create classes that other part of program can observe. C. It is used to create classes that can be accessed by other parts of program. D. It is used to create methods that can be accessed by other parts of program.
Explanation: The Observable class is used to create subclasses that other part of program can observe.