QUESTION: 37

Given the code fragment:

What is the result?

1:2:3:4:5:
1:2:3:
Compilation fails.
An ArrayoutofBoundsException is thrown at runtime.

Answer(s): A

Given:

public class Test1 {
static void doubling (Integer ref, int pv) {
ref =20;
pv = 20;
}
public static void main(String[] args) {
Integer iObj = new Integer(10);
int iVar = 10;
doubling(iObj++, iVar++);
System.out.println(iObj+ ", "+iVar);

What is the result?

11, 11
10, 10
21, 11
20, 20
11, 12

Answer(s): A

Explanation:

The code doubling(iObj++, iVar++); increases both variables from to 10 to 11.

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QUESTION: 39

Given:

public class FieldInit {
char c;
boolean b;
float f;
void printAll() {
System.out.println("c = " + c);
System.out.println("c = " + b);
System.out.println("c = " + f);
}
public static void main(String[] args) {
FieldInit f = new FieldInit(); f.printAll();
}
}

What is the result?