help with this multiple choice

Question 1 Multiple Choice questions? (10 points ) Approximately 10 mins a) Abstract classes b) Interface c) Subclass d) Superclass a) Always false b) Always true c) Rarely true Most often true d) a) When you call the constructor of a class it in turn calls the constructor of the parent which in turn calls the constructor of the grandparent (parents' parent). This is called: Answer t c) Constructor chaining a) Abstract classes b) Interface c) Subclass d) Superclass a) javafx.application Applicatiorn b) java.util.Scanner c) java.Math d) javafx,stage Stage e Object d) super a) main 7) Find the method that does not belong to Math class: Answer c sqrt d) add a) sin b) abs Accessing a single character out of a string is called: Answer a) slicing 8) d) indexing catch block or a finally block nothing a) b) 10) Which of the following is not true about Scanner class. Answer a c) scans/reads a document or input file d) Writes to an output file