单项选择题
A. Compilation will fail.
B. Compilation will succeed and the program will print “0”
C. Compilation will succeed and the program will print “1”
D. Compilation will succeed and the program will print “2”
单项选择题 abstract class abstrctIt { abstract float getFloat （）； } public class AbstractTest extends AbstractIt { private float f1= 1.0f； private float getFloat （） {return f1；} } What is the result？（）
单项选择题 Youwantsubclassesinanypackagetohaveaccesstomembersofasuperclass.Whichisthemostrestrictiveaccessmodifierthatwillaccomplishthisobjective？（）
单项选择题 Whichwilldeclareamethodthatforcesasubclasstoimplementit？（）