GRADE 9TH

WHICH AMONG THE FOLLOWING FEATURE IS NOT IN THE GENERAL DEFINITION OF OOPS?

• EFFICIENT CODE

• CODE REUSABILITY

• DUPLICATE OR REDUNDANT DATA

• MODULARITY

WHICH OF THE BELOW IS INVALID IDENTIFIER WITH THE MAIN METHOD?

• PUBLIC

• STATIC

• PRIVATE

• FINAL

WHICH TWO FEATURES OF OOP ARE THE SAME?

• ABSTRACTION AND POLYMORPHISM ARE SAME

• INHERITANCE AND ENCAPSULATION ARE SAME

• ENCAPSULATION AND POLYMORPHISM ARE SAME

• ENCAPSULATION AND ABSTRACTION ARE SAME

WHICH OF THE FOLLOWING IS A VALID DECLARATION OF AN OBJECT OF CLASS Student?

• Student obj=new Student();

• Student obj= new Student;

• obj=new Student();

• new Student obj;

WHICH CONCEPT OF JAVA IS A WAY OF CONVERTING REAL WORLD OBJECTS IN TERMS OF CLASS?

• POLYMORPHISM

• ENCAPSULATION

• ABSTRACTION

• INHERITANCE

IF int a=50, b=5, c=0; what value is stored in c ? When

c=a%b;

• 10.0

• 10

• 0

• none

WHICH OF THE STATEMENT IS INCORRECT?

• EVERY CLASS MUST CONTAIN A main() method

• APPLETS DO NOT REQUIRE A main() method

• THERE CAN BE ONLY ONE main() METHOD IN A PROGRAM

• main() METHOD MUST BE MADE PUBLIC

WHICH OF THESE CODING TYPES IS USED FOR DATATYPE CHARACTERS IN JAVA?

• AMERICAN STANDARD CODE FOR INFORMATION INTERCHANGE

• ISO-LATIN-1

• UNICODE

• NONE OF THE MENTIONED

THE TERMS OBJECT AND ______ ARE OFTEN INTERCHANGED

• INSTANCE

• BEHAVIOUR

• ATTRIBUTE

• STATE

THE STATEMENT (5==1) ? 1 : 0 EVALUATES TO _________

• 0

• 1

• FALSE

• TRUE