non-static

Instance vs. static method. Calling it statically or dynamically

放肆的年华 提交于 2019-12-08 01:22:40
问题 In PHP there is instance methods and static methods (just these two types)? Then we can call either of these statically or non-statically (is the name "dynamically"?)? So we can: Call an instance method statically; Call an instance method non-statically; Call a static method statically; Call a static method non-statically (all four correct?) How would the code for these four look? Are there any good websites explaining this? I am currently reading the following url: http://php.net/manual/en

What is the alternative to a non-static initialization block?

本秂侑毒 提交于 2019-12-07 02:20:09
问题 My projects had some developer who loved a non-static initialization block . What is the alternative to this and what is the downside of this alternative? I would guess: initialize the values in the constructor ? Why should we use a non-initialization block? As far as I understood the "initialization block" is used to set values when instantiating the class. Is a constructor then not sufficient? public class BlockTest { String test = new String(); //Non-static initialization block { test =

accessing static member from non-static function in typescript

生来就可爱ヽ(ⅴ<●) 提交于 2019-12-05 06:02:01
I am trying to access a static member from a non-static function in the class, and I get an error saying Static member cannot be accessed off an instance variable this is how my code looks - class myClass { public static testStatic: number = 0; public increment(): void { this.testStatic++; } } From what I understand of static members/methods, we shouldn't access non-static members in static functions, but vice-versa should be possible. the static member is already created and is valid, so why can't I access from my non-static method? Access static members from inside the class the same way you

What is the alternative to a non-static initialization block?

耗尽温柔 提交于 2019-12-05 04:21:34
My projects had some developer who loved a non-static initialization block . What is the alternative to this and what is the downside of this alternative? I would guess: initialize the values in the constructor ? Why should we use a non-initialization block? As far as I understood the "initialization block" is used to set values when instantiating the class. Is a constructor then not sufficient? public class BlockTest { String test = new String(); //Non-static initialization block { test = "testString"; } } This block confuses me and lead to reduced readability. Thanks for your response! First

Powermock verify private static method call in non static method

喜欢而已 提交于 2019-12-05 02:20:28
问题 Dear stackoverflow comrades, I again have a problem in getting a specific PowerMock / Mockito case to work. The issue is, that I need to verify the call of a private static method, which is called from a public non-static method . A similar example I posted previously on How to suppress and verify private static method calls? This is my code: class Factory { public String factorObject() throws Exception { String s = "Hello Mary Lou"; checkString(s); return s; } private static void checkString

Powermock verify private static method call in non static method

谁说胖子不能爱 提交于 2019-12-03 17:05:39
Dear stackoverflow comrades, I again have a problem in getting a specific PowerMock / Mockito case to work. The issue is, that I need to verify the call of a private static method, which is called from a public non-static method . A similar example I posted previously on How to suppress and verify private static method calls? This is my code: class Factory { public String factorObject() throws Exception { String s = "Hello Mary Lou"; checkString(s); return s; } private static void checkString(String s) throws Exception { throw new Exception(); } } And this is my testclass: @RunWith

PHP Calling self on a non-static method

南楼画角 提交于 2019-12-03 14:31:01
Why is the 'self'-call to a non-satic method in this example working? class A{ protected function aNonStaticMethod(){ return __class__; } public function aEcho(){ echo self::aNonStaticMethod(); } } Thanks for explanation. Calling non-static method statically Theoretically it should not work, but as this comment says: There was no static keyword in php4 but php4 did allow for static calls. To maintain backwards compatibility this was left in when the static keyword was added in php5. This comment is supported by this official php.net wiki: This is already deprecated if the call occurs from an

How to mock non static methods using PowerMock

╄→гoц情女王★ 提交于 2019-12-03 14:26:50
I am trying to mock an inner method call of my test method My class looks like this public class App { public Student getStudent() { MyDAO dao = new MyDAO(); return dao.getStudentDetails();//getStudentDetails is a public //non-static method in the DAO class } When I write the junit for the method getStudent(), is there a way in PowerMock to mock the line dao.getStudentDetails(); or make the App class use a mock dao object during junit execution instead of the actual dao call which connects to the DB? You can use the whenNew() method from PowerMock (see https://github.com/powermock/powermock

Does it make sense to have a non static method which does not use an instance variable?

霸气de小男生 提交于 2019-12-03 11:35:34
问题 The compiler does not let a static method call a non static method. I understand it does this because a not static method usually ends up using an instance variable. But does it make sense to have a non static method which does not use an instance variable. If we have a behavior which does not affect or isn't affected by the instance state , shouldn't such a method be marked as static. 回答1: Often times, no. If the method doesn't touch any instance state, there's no reason to tie it to an

Does it make sense to have a non static method which does not use an instance variable?

萝らか妹 提交于 2019-12-03 01:09:36
The compiler does not let a static method call a non static method. I understand it does this because a not static method usually ends up using an instance variable. But does it make sense to have a non static method which does not use an instance variable. If we have a behavior which does not affect or isn't affected by the instance state , shouldn't such a method be marked as static. Often times, no. If the method doesn't touch any instance state, there's no reason to tie it to an instance. Of course, static methods can't be inherited or overridden, so that's one obvious time that you would