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This conference area is for you to post your
answer to one of the homework 2 problems. Then respond to at least one
post of your classmates (mandatory) to encourage shared learning
experience among all members.
All
students are required to work on exercises 2.2, 2.6, 2.9, 2,25.
2.2 - The purpose of
indentation is to provide readability in programs and "indicates that the
indented material is a component of the material that preceded it."
2.6 - See below
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a) issquare - no |
i) Temperature - Yes/Class
identifier |
q) setBoundary -
Yes/Variable |
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b) IsSquare - YES - class
identifier |
j) getToken - Yes/variable |
r) sendMessage -
Yes/Variable |
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c) is_square - No |
k) get_Token - No |
s) ThisColor - Yes/Class
identifier |
|
d) Square - Yes/Class
identifier |
l) _getToken - No |
t) plametType -
Yes/variable |
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e) mySquare - Yes/Variable |
m) gettoken - No |
u) PlanetValue - Yes/Class
identifier |
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f) BigSquare - Yes/Class
identifier |
n) Token - Yes/Class
Identifier |
v) planet - yes/variable |
|
g) fillSquare -
Yes/variable |
o) walking - Yes/variable |
w) CurrentTime - Yes/Class
Identifier |
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h) temperature -
Yes/variable |
p) Drawing - Yes/Class
identifier |
x) MyName - Yes/Class
identifier |
p.37 "....the identifier name of
a variable be descriptive of the represented value and that it begin with
a lowercase letter."
*methods can also start with
lowercase letters like variables.
2.9 -
//Purpose: print a line of text
//File: question2point9.java
public class question2point9 {
public
static void main(String[] args) {
System.out.println("Hi-dee-ho daddy-o");
}
}
2.25 -
public class
wk2question2pt25 {
public static void main (String[] args) {
int a = 10;
int b = 20;
int c = 30;
int d = 40;
int storage;
storage = b; //20
b = a;
//10
a = d;
//40
d = c;
//30
c = storage; //20
System.out.println (a);
System.out.println (b);
System.out.println (c);
System.out.println (d);
} // end method main
} // end
class wk2question2pt25
In
addition, you need to choose one from the following problems:
Add
parentheses to the following so that the term 4+7 is multiplied by 3-8.
Parentheses ( ) in red are added.
2.18a) 7 * ( ( 4 + 7)
* ( 3 - 8
) ) * 2
2.18b) 12 - ( 4 + 7
) * ( 3 - 8
) - 5
2.18c) ( 4 + 7
) * ( 3 - 8 ) - 12
2.5
a-i; 2.14 a-f; 2.15 a-f; 2.17; 2.18; 2.19 a-d; 2.20
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