Sawaal
  • Home/
  • Searching for i

 Searching for "i"

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. 

Report Error

View answer Workspace Report Error Discuss

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


}


 

Report Error

View answer Workspace Report Error Discuss

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


   }


}


}

Report Error

View answer Workspace Report Error Discuss

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


    }


    .....


}

Report Error

View answer Workspace Report Error Discuss

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


    }


   .....


}

Report Error

View answer Workspace Report Error Discuss

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


 


}

Report Error

View answer Workspace Report Error Discuss

Subject: Java

Q:

How many types of classes are there in Java?

Answer

Two types of classes:


1) Top Level Class


2) Classes within Class


       i) member classes


             a) static member class


             b) non static member class


      ii) local classes


      iii) anonymous classes

Report Error

View answer Workspace Report Error Discuss

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.

Report Error

View answer Workspace Report Error Discuss

Subject: QA Testing