Tim Holmes

How do you avoid the call in "test mode"?

Um I don't think you understood the question. I am not trying to inject anything. I am trying to mock DOMParser. This is just an example.

Hey guys,

I am using JMock and my class under test calls certain other classes. The classes that are called are not injected into my class under test. I know how to inject mocked objects with a setter, but what do I do for classes under test that call other classes and my class doesn't have a setter to inject that mocked object?

public class ClassUnderTest { public void tryIt() throws Exception { //how do I test this class since I don't have a setter for it on my ClassUnderTest? DOMParser parser = new DOMParser(); parser.parse("test"); } }

I guess I forgot to mention that I did a lot of coding, referring to notes and looking at Java Docs. Honestly, it helped me more to just see their answer specifically on the ones where it was more complex and there was not a quick API type reference answer.

As far as being brave...because of when I signed up I had a free retake (which I didn't have to use).

I did the Java 5 Exam.

That helps a lot!

Thanks

Okay, I looked in the FAQs and searched posts and don't see this answered. How is this exam compared to the SCJP? Thanks!

Preparation: Read through the K&B book taking notes. Then I went through the Whizlabs tests (I think there are 8). After I got through about half of them what I did was submitted the whole exam without answering a question. Then i went through and tried to answer the question without looking at the answer and then reviewed it immediately. This helped me a lot. One thing I didnt' like about Whizlabs was that you do 60 some questions and have to remember what you were thinking on each one in review. I found this hard. I also went through some of the short custom tests.

On Whizlabs, like I said, I scored usually just below passing. On the actual exam I scored a 68%. As an aside on Whizlabs in threading a I did great and usually got them right. On the actual exam I scored the lowest in that area.

Well, I passed the exam on Friday!!! Wooo whoo! But I wanted to make a post here regarding Whizlabs, so that others who are in the same boat might not be discouraged. I used Whizlabs and took a lot of their practice tests. I think I only passed 2 times when taking those and when I passed it was just barely. Most of the time I failed by 5-10 percentage points. I thought I would let everyone know so others are not discouraged if they're using Whizlabs.

class A { public void method(int i, float f){ //some code } } class B extends a { //method here }

I am trying to figure out why this would be legal as a override:
void method(int i, float f){}

but this would not:
protected void method(int i, float f){}

wouldn't they be the same except the first one is "default access"?

I am trying to understand the order that certain things are constructed in a object when you create it. I am getting tripped up on little questions that include when certain parts of the construction happen. Could someone help me with outlining the order of object construction? Here is what I understand:

1. Static blocks run
2. Constructor is called
3. No arg call to super is inserted, unless there is another call to super (with the same or other arguments)
4. Class variables are initialized

Ah that makes sense...thanks!

That makes sense (casting int to a float). Thanks.

Why does f equal 2.0 here instead of 2.6?

int a=8; int b=3; float f = a++/b--;

I am trying to undestand what is going on here:

String banner = "One Man, One Vote"; int subInd1 = banner.lastIndexOf("One", 10); System.out.println(subInd1);

I know that it is starting at index 10 and figured out that is zero based so it is starting at the "n" of the second "One". Then it counts backwards to find the the last occurrence of "One". The example I am looking at says it is "9", but if i count backwards like when finding the starting index, the "n" of the second "One" is zero and 9 is the "n" of the first "One". Right?

Please see my code below. Here is my question...in Example A the code is sharing a copy of the MyRunnable class so it is sharing a variable "gear". I understand that. My question is on example B what is the point in synchronizing if the variable "gear" is not shared? Both threads are gauranteed to access the "gear" variable independently! In addition, can a run method on a class that extends thread ever be called by more than one thread? If so how?


Example A:
public class Threader { public static void main(String args[]) { MyRunnable mr = new MyRunnable(); Thread a = new Thread(mr); a.setName("A"); Thread b = new Thread(mr); b.setName("B"); a.start(); b.start(); } } public class MyRunnable implements Runnable{ private int gear = 0; public synchronized void run(){ for(int x=0; x < 100; x++){ gear++; System.out.println(Thread.currentThread().getName() + ": " + gear); } } }

Example B:
public class MyThread extends Thread{ int gear = 0; public synchronized void run() { for(int i=0; i < 200; i++){ gear++; System.out.println(this.getName() + ": " + gear); } } public static void main(String args[]){ MyThread a = new MyThread(); a.setName("A"); MyThread b = new MyThread(); b.setName("B"); a.start(); b.start(); } }