IT 401 Business Computer Languages
etrade2016
IT401-Assignment-2-Question-File.docx|
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خطأ! استخدم علامة التبويب "الصفحة الرئيسية" لتطبيق Heading 1 على النص الذي ترغب في أن يظهر هنا. |
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( Assignment 2 Deadline: Tuesday 31/10/2017 @ 23:59 [ Total Mark for this Assignment is 30/6=5 ] ) ( Business Computer Languages IT 401 )
( Instructions: This Assignment must be submitted on Blackboard via the allocated folder. Email submission will not be accepted. You are advised to make your work clear and well-presented , marks may be reduced for poor presentation . You MUST show all your work . Late submission will result in ZERO marks being awarded. The work should be your own, copying from students or other resources will result in ZERO marks . Use Times New Roman font for all your answers . ) ( Student Details: Name: ### CRN : ### ID: ### )
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( 6 Marks ) ( Learning Outcome(s): Instructors: State the Learning Outcome(s) that match this question )Question One
Identify and correct the error(s) in each of the following:
1.double X = 12.5;
int Y =X+4;
2.if (x = 1)
y++;
else if (x = 2)
y = y + 2;
3. final double QUARTER_VALUE = 0.25;
QUARTER_VALUE = 0.30;
( 8 Marks ) ( Learning Outcome(s): Instructors: State the Learning Outcome(s) that match this question )Question Two
2.1Given the code:
what is the output in each of the following cases?
1.x=5 , y=2 , z=2
2.x=2 , y=0 , z=0
3.x=-1 , y=0 , z=0
2.2 what is the output of the following code :
( 9 Marks ) ( Learning Outcome(s): Instructors: State the Learning Outcome(s) that match this question )Question Three
Write complete Java programs, provide a screen snapshot
showing your program in execution to receive full credit.
Write a program that reads a Celsius degree in double from the console, then converts it to Fahrenheit and displays the result.
The formula for the conversion is as follows:
𝐹𝑎ℎ𝑟𝑒𝑛ℎ𝑒𝑖𝑡=(9÷5 )×𝐶𝑒𝑙𝑠𝑖𝑢𝑠+ 32
Typical run of the program:
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Enter a Celsius degree: 35.5 35.5 degree Celsius is about 67.5 Fahrenheit. |
( 3 Marks ) ( Learning Outcome(s): Instructors: State the Learning Outcome(s) that match this question )Question Four
Write the following mathematical expressions in Java.
( 4 Marks ) ( Learning Outcome(s): Instructors: State the Learning Outcome(s) that match this question )Question Five
Consider the code:
String s;
Scannerin = newScanner(System. in );
System. out .print("Enter a word: ");
s = in.next();
5.1 write one statement to test if the user enters the string "Hello".
5.2 assumes = "I love KSA" ;
What is the output the following code ?
String S1= s.substring(4,10);
System. out .println(S1);
