A.float z = (float)(Math.round((float)x/y*100)/100);

B.float z = Math.round((int)(x/y),2);

C.float z = Math.round((float)x/y,2);

D.float z = Math.round((float)x/y*100)/(float)100;

A.An IllegalThreadStateException is thrown at run time.

B.Three threads are created.

C.The compilation fails.

D.Four threads are created.

A.Class Tester does not need to import java.time.LocalDate because it is already visible to members of the package test.

B.All classes from the package java.time. are loaded for the class Diary.

C.Tester must import java.time.LocalDate in order to compile.

D.Only LocalDate class from java.time package is loaded.

A.Hello world!Bonjour le monde!

B.Hello world!Hello world!

C.Bonjour le monde!Hello world!

D.Bonjour le monde!Bonjour le monde!

A.Delegate numeric range checking of values to the database.

B.Accept only valid characters and input values.

C.Use trusted domain-specific libraries to validate inputs.

D.Assume inputs have already been validated.

E.Modify the input values, as needed, to pass validation.