Java Programming Intermediate Quiz 3
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Intermediate Quiz 3
1. What is the superclass of all classes in Java?
Object
Class
Base
2. Which method is used to start a thread?
start()
run()
begin()
3. How do you create a constant in Java?
Use final keyword
Use const keyword
Use static keyword
4. Which statement is used to exit a loop early?
break
continue
exit
5. What does the "super" keyword do?
Refers to the parent class
Refers to the child class
Creates a new object
6. Which class is used to read text from a file?
FileReader
FileWriter
FileInputStream
7. How do you declare a generic method?
<T> void methodName(T param)
void <T> methodName(T param)
void methodName<T>(T param)
8. Which keyword is used to implement an interface?
implements
extends
inherits
9. What is the result of: "Java".substring(1,3)?
av
Ja
ava
10. Which exception is thrown when dividing by zero?
ArithmeticException
NullPointerException
IOException
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