下面程序输出的结果是?
public class ExamSample {
public static void main(String[] args) {
new ExamSample().ref1();
}
public static class Val {
int i = 1;
}
public void ref1() {
int i = 2;
Val v = new Val();
v.i = 3;
ref2(v,i);
System.out.println(v.i);
}
public void ref2(Val v, int i) {
v.i = 4;
i = 5;
Val val = new Val();
v = val;
System.out.print(v.i+","+i+",");
}
}