AP CSA Unit 3

Front

What does short circuit evaluation mean in the following code? if (a < b && c != d)

Back

if a < b is false it doesn't evaluate c != d

Front

Which if statement below tests if the variable letter holds the char value #? Options: if (letter == #), if (letter == "#"), if (letter == '#'), if (letter >= '#'), if (letter = '#')

Back

if (letter == '#')

Front

What is 0 0 1 1 1 0 0 0 in base ten?

Back

56

Front

What is 67 in binary?

Back

0 1 0 0 0 0 1 1

Front

Consider the following code:
String w = "Rapunzel";
for (int i = 0; i < w.length(); i++) {
System.out.print(w.charAt(i) + " ");
if (i%4 == 3)
System.out.println();
}
What is output?

Back

R a p u
n z e l

Front

What does the String method substring() do?

Back

Returns a portion of the String.

Front

What does the following code do?
String w3 = "aardvark";
System.out.println(w3.charAt(w3.length() – 2));

Back

Prints the second to last letter in the String.

Front

What is returned by the method call major.charAt(2) in the code: String major = "Computer Science"?

Back

'm'

Front

What is the result of 3/2 in Java?

Back

1

Front

What is the result of 3.0/2 in Java?

Back

1.5