AP Computer Science A Unit 1 Quiz

public class MyStars {

public static void main(String[] args) {

twice();

many();

}

public static void printStar() {

System.out.println(" * ");

}

public static void twice() {

printStar();

printStar();

}

public static void many() {

twice();

printStar();

twice();

}

}

• 2

• 4

• 5

• 7

• 9

Consider the following Java statement

System.out.println(“ * “)

Which of the following is true about this Java statement?

• (A)The statement contains a String literal that is missing a quotation mark " at its end

• (B) The statement is missing a semicolon

• (C) The statement uses incorrect capitalization (uppercase / lowercase)

• (D) The statement uses braces [ ] instead of parentheses ( )

• (E) There are no errors in this statement

Consider the following Java statement.

System.out.println(“This test is fun!);

Which of the following is true about this Java statement?

• (A)The statement contains a String literal that is missing a quotation mark " at its end

  (

• B) The statement is missing a semicolon

• (C) The statement uses incorrect capitalization (uppercase / lowercase)

• (D) The statement uses braces [ ] instead of parentheses ( ) .

• (E) There are no errors in this statement

Consider the following Java statement.

system.out.println(“How many more problems are there?”);

Which of the following is true about this Java statement?

• The statement contains a String literal that is missing a quotation mark " at its end

• The statement is missing a semicolon

• The statement uses incorrect capitalization (uppercase / lowercase)

• The statement uses braces [ ] instead of parentheses ( )

• There are no errors in this statement

Consider the following incorrect Java Program

class public HelpMe

Public Static Void main(String[] args){

System.out.println(“Oh no!”);

}

}

Which of the following is true about this program?

I.The class header is not correct Java syntax

II.The main method header is not correct Java syntax

III.The statement inside the main method body is not correct Java syntax

• I only

• II only

• III only

• I and II

• I, II and III