AP CSA Unit 2: Lesson 2 Questions
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10 Terms
1
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How could you create a String variable, s, and set it equal to "Fast Start" in one line?
String s = "Fast Start";
2
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Consider the following code:
int x = 13;
int y = 7;
System.out.println(x % y);
What is the output?
int x = 13;
int y = 7;
System.out.println(x % y);
What is the output?
6
3
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What is a double?
A double is a primitive data type so a double variable directly stores the data for the double.
4
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Consider the following code:
int x = 27;
int y = 13;
System.out.print("Answer: " + x + y);
This code outputs:
Answer: 2713
int x = 27;
int y = 13;
System.out.print("Answer: " + x + y);
This code outputs:
Answer: 2713
True
5
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Consider the following code:
System.out.println("Answer: " + (3 + 7));
This code outputs:
Answer: 10
System.out.println("Answer: " + (3 + 7));
This code outputs:
Answer: 10
True
6
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What will be printed by the following code?
System.out.println("I came,\tI saw,\n\tI left.");
System.out.println("I came,\tI saw,\n\tI left.");
I came, I saw,
I left.
I left.
7
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To output:
Nums: [31, 43, 28, 17
]
You would need to use what escape sequence in the blank:
System.out.print("Nums: [31, 43, 28, 17____]");
Nums: [31, 43, 28, 17
]
You would need to use what escape sequence in the blank:
System.out.print("Nums: [31, 43, 28, 17____]");
\n
8
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Which of the following symbols need an escape character to be output in a System.out.print statement?
\
9
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What does \t do?
It puts a tab space in between two characters
10
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Consider the following code:
System.out.println("Answer: " + (5.0 + 9));
This code outputs:
Answer: 14
System.out.println("Answer: " + (5.0 + 9));
This code outputs:
Answer: 14
False