Question

If we use a component (i.e., call methods of that component) before instantiating it, then we will generate a ________________ at runtime.

Answer 1

variable <component> might not have beeninitialized

for example:

import java.util.LinkedList;

public class test {

public static void main(String ...args) {

LinkedList bob;
System.out.print(bob.size());

}

}

javac test.java
test.java:8: error: variable bob might not have beeninitialized
System.out.print(bob.size());
^
1 error