Oracle
1Z0-819 · Question #42
1Z0-819 Question #42: Real Exam Question with Answer & Explanation
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Question
Given:
public interface TestInterface {
default public void samplingProbeProcedure() {
probeProcedure();
System.out.println("Collect Sample");
System.out.println("Leave Asteroid");
}
default void explosionProbeProcedure() {
probeProcedure();
System.out.println("Explode");
}
}
Examine these requirements:
Eliminate code duplication.
Keep constant the number of methods other classes may implement from this interface.
Which method will fulfill these additional requirements?
Options
- AA private default void probeProcedure() { System.out.println("Launch Probe"); System.out.println("Land on Asteroid"); }
- BB static void probeProcedure() { System.out.println("Launch Probe"); System.out.println("Land on Asteroid"); }
- CC private void probeProcedure() { System.out.println("Launch Probe"); System.out.println("Land on Asteroid"); }
- DD default void probeProcedure() { System.out.println("Launch Probe"); System.out.println("Land on Asteroid"); }
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