1.
Default value of object reference?
2.
Which is NOT Java keyword?
3.
Java follows which memory model?
4.
What is the size of boolean in Java?
5.
Which file extension contains bytecode?
6.
Which is compile-time polymorphism?
9.
What is the range of byte?
10.
Which concept allows code reuse?
12.
Which keyword is used to import package?
13.
Which conversion is implicit?
14.
Which package contains Scanner class?
16.
If no constructor is defined, Java provides:
17.
Method overriding occurs in:
18.
Which is runtime polymorphism?
19.
Which keyword is used to define package?
20.
Which method takes input from user?