CodeHS - Units 3 and 5 Test - Javascript - NM

Which is the correct way to declare an integer variable?

• int x = 3;

• integer x = 3;

• integer x is 3;

• int x is 3;

Which option correctly declares a string variable?

• String name = Mrs. Miles;

• string name = "Mrs. Miles";

• string name = 'Mrs. Miles';

• String name = "Mrs. Miles";

Which is the correct way to obtain user input for a string?

• readLine()

• readInt()

• readDouble()

• readBoolean()

You must use quotations around a prompt in a readLine().

Example:

readLine("What's your name? ");

• True

• False

What will this code segment output?

System.out.println("Hello");

System.out.println("World");

• Hello

  World

• HelloWorld

• Hello World

• Hello

  
  

  World

Which of the following is a proper way to declare and initialize a variable in Java?

• myInteger = 100;

• char = 'a';

• int myNumber = 10;

• "Variable"

What will this code segment output if the user inputs the number 10?

int yourInteger = readInt("Input a number");

System.out.println(yourInteger);

• yourInteger

• "yourInteger"

• 10

• "10"

Which keyword do we need to define a function?

• function
• method
• onclick
• functionName()

Which one of the following symbols is used for JavaScript comments?

• \\

• ^

• ?

• //

In JavaScript, you should include a semi-colon at the end of each statement.

• yes
• no