Section 2.7 Assessment: Construct A Scanner
Subsection 2.7.1 Subgoals for using objects (creating instances)
Declare variable of appropriate class datatype.
Assign to variable: keyword new, followed by class name, followed by ().
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Determine whether parameter(s) are appropriate (API)
Number of parameters
Data types of the parameters
Exercises 2.7.2 Exercises
1.
Scanner
input
new
System.in
Q1: Fill in the blanks for the following code, if the purpose of the code is to create a new Scanner instance called input.
___A___ ___B___ = ___C___ ___D___(___E___);
Fill in blank A.
2.
Scanner
input
new
System.in
Q2: Fill in the blanks for the following code, if the purpose of the code is to create a new Scanner instance called input.
___A___ ___B___ = ___C___ ___D___(___E___);
Fill in blank B.
3.
Scanner
input
new
System.in
Q3: Fill in the blanks for the following code, if the purpose of the code is to create a new Scanner instance called input.
___A___ ___B___ = ___C___ ___D___(___E___);
Fill in blank C.
4.
Scanner
input
new
System.in
Q4: Fill in the blanks for the following code, if the purpose of the code is to create a new Scanner instance called input.
___A___ ___B___ = ___C___ ___D___(___E___);
Fill in blank D.
5.
Scanner
input
new
System.in
Q5: Fill in the blanks for the following code, if the purpose of the code is to create a new Scanner instance called input.
___A___ ___B___ = ___C___ ___D___(___E___);
Fill in blank E.