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71 .
Which of the following is the reference data type ?
A.int
B. short
C. double
D.array
View AnswerAns: array
72 .
In Java, using how many ways we can pass object as an argument to the function ?
A.1
B. 2
C. 3
D.4
View AnswerAns: 1
73 .
Java uses ________ to represent characters
A.ASCII code
B. Unicode
C. Byte code
D.None of the above
View AnswerAns: Unicode
74 .
What will be the output of following program ?

Class A
{
public static void main(String ...)
short a=10;
short b=20;
short res=a+b;
System.out.println("res :"+res);
}
A.10
B. 20
C. 30
D.Error
View AnswerAns: Error
75 .
What are Wrapper classes ?
A.These are classes that allow primitive types to be accessed as objects.
B. These are classes that wraps functionality of an existing class.
C. Both of the above.
D.None of the above.
View AnswerAns: These are classes that allow primitive types to be accessed as objects.