Java Environment & OOPS Concepts-3

Which of the following is not OOPS concept in Java? (a)  

• Inheritance
• Encapsulation
• Polymorphism
• Compilation

Which of the following is a type of polymorphism in Java?

• Compile time polymorphism
• Execution time polymorphism
• Multiple polymorphism
• Multilevel polymorphism

When does method overloading is determined?

• At run time
• At compile time
• At coding time
• At execution time

When Overloading does not occur?

• More than one method with same name but different method signature and different number or type of parameters
• More than one method with same name, same signature but different number of signature
• More than one method with same name, same signature, same number of parameters but different type
• More than one method with same name, same number of parameters and type but different signature

Which concept of Java is achieved by combining methods and attribute into a class?

• Encapsulation
• Inheritance
• Polymorphism
• Abstraction

What is it called if an object has its own lifecycle and there is no owner?

• Aggregation
• Composition
• Encapsulation
• Association

What is it called where child object gets killed if parent object is killed?

• Aggregation
• Composition
• Encapsulation
• Association

What is it called where object has its own lifecycle and child object cannot belong to another parent object?

• Aggregation
• Composition
• Encapsulation
• Association

Method overriding is combination of inheritance and polymorphism?

• True
• false

Which component is used to compile, debug and execute java program?

• JVM
• JDK
• IT
• JRE