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What is the output of the following code?
import rope.*;
import static rope.Rope.*;
public class RopeSwing {
private static Rope rope1 = new Rope();
private static Rope rope2 = new Rope();
{
System.out.println(rope1.length);
}
public static void main(String[] args) {
rope1.length = 2;
rope2.length = 8;
System.out.println(rope1.length);
}
}
package rope;
public class Rope {
public static int length = 0;
}


A. 02
B. 08
C. 2
D. 8
E. The code does not compile.
F. An exception is thrown.

Explanation:
There are two details to notice in this code. First, note that RopeSwing has an instance initializer and not a static initializer. Since RopeSwing is never constructed, the instance initializer does not run. The other detail is that length is static. Changes from one object update this common static variable.



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What is the output of the following code?

import rope.*;
import static rope.Rope.*;
public class RopeSwing {
private static Rope rope1 = new Rope();
private static Rope rope2 = new Rope();
{
System.out.println(rope1.length);
}
public static void main(String[] args) {
rope1.length = 2;
rope2.length = 8;
System.out.println(rope1.length);
}
}
package rope;
public class Rope {
public static int length = 0;
}


A. 02
B. 08
C. 2
D. 8
E. The code does not compile.
F. An exception is thrown.

Explanation:
There are two details to notice in this code. First, note that RopeSwing has an instance initializer and not a static initializer. Since RopeSwing is never constructed, the instance initializer does not run. The other detail is that length is static. Changes from one object update this common static variable.

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