Related Questions

A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?
A Declare the method with the keyword public.
B Declare the method with the keyword private.
C Declare the method with the keyword protected.
D Do not declare the method with any accessibility modifiers.
E Declare the method with the keyword public and private.
Which version of PHP introduced the visibility keywords i.e public, private, and protected?
A PHP 4
B PHP 5
C PHP 5.1
D PHP 5.3
If you omit the visibility keyword in your method declaration, by default the method will be declared as.
A public
B private
C protected
D friendly
Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?
A This method is only accessible from inside the class itself and from inside all subclasses.
B In a class, you cannot declare methods with a lower visibility than the visibility of the class in which it is defined.
C From within protected methods you do not have access to public methods.
D This method is accessible from within the class itself and from within all classes defined in the same package as the class itself.
Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
A 81
B 81.5
C 82
D 84.5
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full. 5 classes were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?
A 200
B 220
C 240
D 400
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 5 classes were half full, 3 classes were 3/4 full and 2 classes were 1/8 empty. A total of 70 students were absent. What is the total number of students in this school?
A 200
B 220
C 250
D 400
Which method or property can only be accessed from within the enclosing class? Even subclasses have no access.
A public
B friendly
C private
D protected
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full, 5 class were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?
A 200
B 220
C 240
D 246

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