\'A\' < \'a\' && 4 <= 8 || 2.5 >= 7 || 4 < y What is the value of the expression
ID: 3556710 • Letter: #
Question
'A' < 'a' && 4 <= 8 || 2.5 >= 7 || 4 < y
What is the value of the expression above?
Select one:
a. x
b. It cannot be determined.
c. false
d. true
In math to get the square root of 2 you raise 2 to the 1/2 power like this: 20.5
what expression in java do you use to raise 2 to the 0.5 power in java?
Select one:
a. Math.exp(2.0,1/2)
b. Math.pow(2.0,0.5)
c. Math.power(2.0,1/2)
d. Math.pow(.05, 2.0)
what does the following code print?
String x = "Long Beach City College";
System.out.println(x.charAt(5));
Select one:
a. B
b. a blank
c. Beach
d. '5'
How would you declare a method that adds two integer arguments together and returns the int result?
Select one:
a. public int add() { return a+b }
b. int public add(int a,b)
c. public int add(int a, int b)
d. int add(int a, int b)
fill in the blank in this code?
public ___ tax(int age,double amt,String acct) {
double t = 0.0;
if(age>7) t = amt*1.05;
else t = amt*1.01;
System.out.print(acct);
return t;
}
Select one:
a. void
b. String
c. int
d. double
What class is required for user input?
Select one:
a. Next
b. Console
c. Scanner
d. String
The Fence Post problem pattern is most related to which of the following in java concepts or statements.
Select one:
a. Scanner
b. problem decomposition
c. boolean expressions
d. while statement
What does the following code print:
Select one:
a. 18
b. 6
c. 48
d. 10
which java statement type best matches this flow structure:
Select one:
a. while
b. method with two parameters
c. if
d. if else
int x = 27;
int y = 10;
do
x = x / 3;
while (x >= y);
What is the final value of x in the code above?
Select one:
a. 27
b. 3
c. 0
d. 9
What is the correct value of this expression:
1 / 2 > 0 || 4 == 9 % 5 || 1 + 1 < 1 - 1
Select one:
a. false
b. true
public static double secret(int first, double second)
{
double temp;
if (second > first)
temp = first * second;
else
temp = first - second;
return temp;
}
Based on the above code, what would be the output of the statement
System.out.println(secret(5, 7.0));
Select one:
a. 5.0
b. 2.0
c. 7.0
d. 35.0
Given the following code:
String s = "this is a dog.";
Which call to substring will return just the word "is"?
Select one:
a. s.substring(6,8)
b. s.substring(5,6)
c. s.substring(5,7)
d. s.substring(6,7)
What does the following section of code do:
int t = 0;
for(int i = 1; i <= 5; i ++ ) {
System.out.println("number: ");
int n = console.nextInt();
t = t + n;
}
System.out.println("result: " + t );
Select one:
a. print the numbers that were input
b. total of the numbers input
c. count the numbers input
d. calculate the average of the input numbers
Suppose that x is an int variable. Which of the following expressions always evaluates to false?
Select one:
a. (x >= 0) && (x == 0)
b. (x > 0) || (x == 0)
c. (x > 0) || (x <= 0)
d. (x > 0) && ( x <= 0)
What would you fill in the blank with a format specifier in the following statement:
System.out.printf( "You owe ___ dollars", 22.33461);
to print exactly:
You owe 22.33 dollars
type it exactly into the box below:
The expression !(x <= 0) is true only if x is a positive number.
Select one:
True
False
Void methods use the returnstatement to return the value 0.
Select one:
True
False
Explanation / Answer
'A' < 'a' && 4 <= 8 || 2.5 >= 7 || 4 < y
What is the value of the expression above?
Select one:
a. x
b. It cannot be determined.
c. false
d. true
In math to get the square root of 2 you raise 2 to the 1/2 power like this: 20.5
what expression in java do you use to raise 2 to the 0.5 power in java?
Select one:
a. Math.exp(2.0,1/2)
b. Math.pow(2.0,0.5)
c. Math.power(2.0,1/2)
d. Math.pow(.05, 2.0)
what does the following code print?
String x = "Long Beach City College";
System.out.println(x.charAt(5));
Select one:
a. B
b. a blank
c. Beach
d. '5'
How would you declare a method that adds two integer arguments together and returns the int result?
Select one:
a. public int add() { return a+b }
b. int public add(int a,b)
c. public int add(int a, int b)
d. int add(int a, int b)
fill in the blank in this code?
public ___ tax(int age,double amt,String acct) {
double t = 0.0;
if(age>7) t = amt*1.05;
else t = amt*1.01;
System.out.print(acct);
return t;
}
Select one:
a. void
b. String
c. int
d. double
What class is required for user input?
Select one:
a. Next
b. Console
c. Scanner
d. String
The Fence Post problem pattern is most related to which of the following in java concepts or statements.
Select one:
a. Scanner
b. problem decomposition
c. boolean expressions
d. while statement
What does the following code print:
// code not given
Select one:
a. 18
b. 6
c. 48
d. 10
which java statement type best matches this flow structure:
Select one:
a. while
b. method with two parameters
c. if
d. if else
int x = 27;
int y = 10;
do
x = x / 3;
while (x >= y);
What is the final value of x in the code above?
Select one:
a. 27
b. 3
c. 0
d. 9
What is the correct value of this expression:
1 / 2 > 0 || 4 == 9 % 5 || 1 + 1 < 1 - 1
Select one:
a. false
b. true
public static double secret(int first, double second)
{
double temp;
if (second > first)
temp = first * second;
else
temp = first - second;
return temp;
}
Based on the above code, what would be the output of the statement
System.out.println(secret(5, 7.0));
Select one:
a. 5.0
b. 2.0
c. 7.0
d. 35.0
Given the following code:
String s = "this is a dog.";
Which call to substring will return just the word "is"?
Select one:
a. s.substring(6,8)
b. s.substring(5,6)
c. s.substring(5,7)
d. s.substring(6,7)
What does the following section of code do:
int t = 0;
for(int i = 1; i <= 5; i ++ ) {
System.out.println("number: ");
int n = console.nextInt();
t = t + n;
}
System.out.println("result: " + t );
Select one:
a. print the numbers that were input
b. total of the numbers input
c. count the numbers input
d. calculate the average of the input numbers
Suppose that x is an int variable. Which of the following expressions always evaluates to false?
Select one:
a. (x >= 0) && (x == 0)
b. (x > 0) || (x == 0)
c. (x > 0) || (x <= 0)
d. (x > 0) && ( x <= 0)
What would you fill in the blank with a format specifier in the following statement:
System.out.printf( "You owe ___ dollars", 22.33461);
to print exactly:
You owe 22.33 dollars
type it exactly into the box below:
The expression !(x <= 0) is true only if x is a positive number.
Select one:
True
False
Void methods use the returnstatement to return the value 0.
Select one:
True
False
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