2.4. Assessment: Construct A Scanner

Subgoals for using objects (creating instances)

1. Declare variable of appropriate class datatype.

2. Assign to variable: keyword new, followed by class name, followed by ().

3. Determine whether parameter(s) are appropriate (API)

   1. Number of parameters

   2. Data types of the parameters

---

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.

• 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.

• 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.

• 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.

• 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.

• Scanner
• input
• new
• System.in

You have attempted of activities on this page