1.public class Test{
2.int x=12；
3.public void method（intx）{
4.x+=x；
5.System.out.println（x）；
6.}
7.}
Given：
34.Test t=new Test（）；
35.t.method（5）；
What is the output from line 5 of the Test class？（）

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？（）

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？（）

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？（）