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Q:

What is the syntax to create the object?

Answer

new ClassName();


This expression creates object in heap area and returns that obj address. Here JVM creates object but JVM does not returns object original address. JVM returns duplicate address, duplicate address is also called as hashcode. 

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Subject: Java

Q:

What is anonymous class?

Answer

Anonymous class is class without name.


EX:


class A {


}


class Demo {


    A r = new A() {


        }; //anonymous class


}


 

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Subject: Java

Q:

What is local class?

Answer

Local class is class defined inside method


EX;


class A { // top level class


  public static void main(string[] args) {


   class B { // local class


   }


}


}

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Subject: Java

Q:

what is non-static member class?

Answer

Non-static member class is a class defined inside outer class with out static modifier.


EX:


class A { // top level class or outer class


    ......


    class B { //non-static member class


    }


    .....


}

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Subject: Java

Q:

What is static member class?

Answer

Static member class is a class defined inside outer class with static modifier.


EX:


Class A {  //top level class or outer class


    .....


    static class B {  //static member class


    }


   .....


}

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Subject: Java

Q:

What is top level class?

Answer

Top level class is also called outer class. It is not defined inside any class.


Ex:


class A {  //top level class


 


}

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Subject: Java

Q:

What is Binary Portability Testing?

Answer

Testing an executable application for portability across system platforms and environments, usually for conformation to an ABI specification.

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Subject: QA Testing

Q:

What's fuzz testing ?

Answer

1) List down usecases (taken from business cases) from function specs. For each use case write a test case and categorize them into sanity tests, functionality, GUI, performance etc. Then for each test case, write its workflow. 


2) For a GUI application - make a list of all GUI controls. For each control start writing test cases for testing of the control UI, functionality (impact on the whole application), negative testing (for incorrect inputs), performance etc.  

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Subject: QA Testing