Given:
class Test
int a1;
public static void doProduct(int a) {
a = a * a;
)
public static void doString(StringBuilder s) {
s.append(" " + s);
}
public static void main(String[] args) {
Test item = new Test();
item.a1 = 11;
StringBuilder sb = new StringBuilder("Hello");
Integer i = 10;
doProduct(i);
doString(sb);
doProduct(item.a1);
System.out.println(i + " " + sb + " " + item.a1);
}
}
What is the result?

Given the code fragment:

What is the result?
A:

B: Compilation fails only at line n1.
C: Compilation fails only at line n2.
D: Compilation fails only at line n3.
E: Compilation fails at both line n2 and line n3.

Given:

What is the result?

Given the code fragment:

What is the result?

Given the code fragment:

What is the result?