Which version of PHP introduced the visibility keywords i.e public, private, and protected?

LohaHridoy
  1. PHP 4
  2. PHP 5
  3. PHP 5.1
  4. PHP 5.3

0 like 0 dislike
1 views
Share with your friends

1 Answers

AhmedNazir

Call

Answer: Option 2

In PHP 4, all properties were declared with var keyword, which is identical in effect to using public. For the sake of backward compatibility, PHP 5 accepts var in place of public for properties.

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
What will be the output interface A{ public void method(); } class One{ public void method(){ System.out.println("Class One method"); } } class Two extends One implements A{ public void method(){ System.out.println("Class Two method"); } } public class Test extends Two{ public static void main(String[] args){ A a = new Two(); a.method(); } }?

Answer: Option 2 Let'

1 Answers 4 views
What will be the result of compiling and executing the following program code class Vehicle{ public void printSound(){ System.out.print("vehicle"); } } class Car extends Vehicle{ public void printSound(){ System.out.print("car"); } } class Bike extends Vehicle{ public void printSound(){ System.out.print("bike"); } } public class Test{ public static void main(String[] args){ Vehicle v = new Car(); Bike b = (Bike) v; v.printSound(); b.printSound(); } }?

Answer: Option 2 Let'

1 Answers 1 views
What will be the result after the class Test execution class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); } } class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); } } class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); } } public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } } }?

Answer: Option 4 Let'

1 Answers 3 views
What will be the output of the following PHP code <php echo stripos("I love php, I love php too!","PHP"); >?

Answer: Option 2 The stripos() function finds the position of the first occurrence of a string inside another string.

1 Answers 1 views
What will be the output of the following PHP code <php function email() { $email = ’[email protected]’; $new = strstr($email, ‘@'); echo $new; } email(); >?

Answer: Option 3 The strstr() function searches for the first occurrence of a string inside another string.

1 Answers 1 views
What will be the output of the following PHP code <php $author = "[email protected]"; $author = str_replace("a","@",$author); echo "Contact the author of this article at $author."; >?

Answer: Option 3 The str_replace() function case sensitively replaces all instances of a string with another.

1 Answers 1 views
Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should there be reservation of jobs in the organizations in the private sector also as in the public sector undertakings in India Arguments : I. Yes. This would give more opportunities of development to the weaker sections of the society and thus help reduce the gap between the affluent and the downtrodden in India. II. No. The private sector does not get any government assistance and therefore they should not be saddled with such policies. III. No. Nowhere else in the world such a practice is being followed. IV. No. The management of the private sector undertaking would not agree to such compulsions.?

Answer: Option 1 The reservation of jobs in the private sector too would surely increase opportunities for weaker sections to improve their economic plight. Thus, argument I is strong enough....

1 Answers 1 views
The visibility of a property or method can be defined by prefixing the declaration with the keywords public, protected or private. Class members declared public can be accessed everywhere. Members declared protected can be accessed only within the class itself and by inherited classes. Members declared as private are not accessible.?

Answer: Option 2 Let'

1 Answers 1 views
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?

Answer: Option 4 Let'

1 Answers 1 views
Which statements are most accurate regarding the following classes class A{ private int i; protected int j; } class B extends A{ private int k; protected int m; }?

Answer: Option 2 Let'

1 Answers 1 views
X