Related Questions

Which of the following statements regarding static methods are correct?
1. Static methods are difficult to maintain, because you can not change their implementation.
2. Static methods can be called using an object reference to an object of the class in which this method is defined.
3. Static methods are always public, because they are defined at class-level.
4. Static methods do not have direct access to non-static methods which are defined inside the same class.
Which version of PHP introduced the instanceof keyword?
Which version of PHP introduced the concept called late static binding?
The developers of PHP deprecated the safe mode feature as of which PHP version.
The developers of PHP deprecated the safe mode feature as of which PHP version?
Determine output:
public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}}
Which of the following is/are true for an abstract class? i) Abstract classes in PHP are declared with the help of abstract keyword. ii) A class is declare abstract by using the keyword implements. iii) It is a class that really isn’t supposed to ever be instantiated but instead serves as a base class. iv) Attempting to instantiate an abstract class results in an error.
Which of the following statements is/are true about Constructors in PHP?
1. PHP 4 introduced class constructors.
2. Constructors can accept parameters.
3. Constructors can call class methods or other functions.
4. Class constructors can call on other constructors.
Which version of PHP introduced the advanced concepts of OOP?
Which version of PHP introduced Try/catch Exception?