单项选择题 public class Yippee2{ stati cpublic void main（String[]yahoo）{ for（intx=1；xSystem.out.print（yahoo[x]+""）； } } } and the command line invocation： java Yippee2 a b c What is the result？（）

单项选择题 11.public class Counter{ 12.public static void main（String[]args）{ 13.int numArgs=/*insert code here*/； 14.} 15.} and the command line：java Counter one fred 42 Which code，inserted at line 13，captures the number of arguments passed into the program？（）

单项选择题 A UNIX user named Bob wants to replace his chess program with a new one，but he is hot sure where the old one is in stalled.Bob is currently able to run a Java chess program starting from his home directory/home/bobusingthecommand： java-classpath/test：/home/bob/downloads/*.jargames.ChessBob’sCLASSPATHisset（atlogintime）to： /usr/lib：/home/bob/classes：/opt/java/lib：/opt/java/lib/*.jar What is a possible location for the Chess.class file？（）