
Java

Assessment
•

Wayne Hines
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others
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Hard
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140 questions
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1.
OPEN ENDED
30 sec • 1 pt
Which of the following elements is not required in a variable declaration?
Answer explanation
an assigned value
2.
OPEN ENDED
30 sec • 1 pt
If a class is named Student, the class constructor name is____.
Answer explanation
Student()
3.
OPEN ENDED
30 sec • 1 pt
The compiler determines which version of a method to call by the method's ____.
Answer explanation
signature
4.
OPEN ENDED
30 sec • 1 pt
If you use the automatically-supplied default constructor when you create an object, ____.
Answer explanation
numeric fields are set to 0 (zero)
5.
OPEN ENDED
30 sec • 1 pt
The individual operations used in a computer program are often grouped into logical units called ____.
Answer explanation
procedures
6.
FILL IN THE BLANK
30 sec • 1 pt
A sequence of characters enclosed within double quotation marks is a _____.
7.
OPEN ENDED
30 sec • 1 pt
Which of the following data types can store a value in the least amount of memory?
Answer explanation
byte
8.
OPEN ENDED
30 sec • 1 pt
Identify the false statement.
a. A class's instance variables override locally declared variables with the same names that are declared within the class's methods.
b. You cannot declare the same variable name more than once within a block, even if a block contains other blocks.
c. A variable ceases to exist, or goes out of scope, at the end of the block in which it is declared.
Answer explanation
A class's instance variables override locally declared variables with the same names that are declared within the class's methods.
9.
OPEN ENDED
30 sec • 1 pt
Identify the false statement.
a. When it is part of the same program as void myMethod (int age, String name), the following method would be ambiguous: String myMethod (int zipCode, String address)
b. When it is part of the same program as void myMethod (int age, String name), the following method would be ambiguous: void myMethod (int x, String y)
c. When it is part of the same program as void myMethod (int age, String name), the following method would be ambiguous: void myMethod (String name, int age)
Answer explanation
When it is part of the same program as void myMethod (int age, String name), the following method would be ambiguous: void myMethod (String name, int age)
10.
OPEN ENDED
30 sec • 1 pt
Identify the false statement.
a. Java packages are available only if you explicitly name them within your program.
b. The creators of Java have produced hundreds of classes for you to use in your programs.
c. The implicitly imported java.lang package contains fundamental Java classes.
Answer explanation
Java packages are available only if you explicitly name them within your program.
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