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Files Quiz

Last updated about 2 years ago

5 Nsɛmmisa

1

1

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

What is the output by the code below using the following data file? nums.dat 2 5 7 Scanner file = new Scanner(new File("nums.dat")); System.out.println(file.nextInt());

a. 7

b. 2

c. 12

d. there is no output due to a compile error

e. there is no output due to a runtime error

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

What is the output by the code below using the following data file? nums.dat 2 5 7 Scanner file = new Scanner(new File("nums.dat")); System.out.println(file.nextInt()+file.nextInt());

a. 7

b. 2

c. 12

d. there is no output due to a compile error

e. there is no output due to a runtime error

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

What is the output by the code below using the following data file? nums.dat 2 5 7 Scanner file = new Scanner(new File("nums.dat")); file.nextInt(); System.out.println(file.nextInt()+file.nextInt());

7

2

12

there is no output due to a compile error

there is no output due to a runtime error

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

What is the output by the code below using the following data file? nums.dat 3 2 5 7 Scanner file = new Scanner(new File("nums.dat")); int size = file.nextInt(); for(int i=1; i <= size; i++) { int num = file.nextInt(); out.print(num + " "); }

2 5 7

3 2 5 7

3 2 5

7 7 7

14

1

Asemmisa {{asɛmmisaAhyɛnsode}}

5.

Question 5: What is the output by the code below using the following data file? nums.dat 3 2 5 7 Scanner file = new Scanner(new File("nums.dat")); int size = file.nextInt(); int x = 0; for(int i=1; i <= size; i++) { int num = file.nextInt(); x = x + num; } out.print( x + " " );

a. 2 5 7

b. 3 2 5 7

c. 3 2 5

d. 7 7 7

e. 14