Level 3 - Conditionals & Loops

Question 1

int s=1;
for (int j = 3; j >= 0; j--)
{
s = s + j;
}
System.out.println(s);

Answer 1

7

Question 2

if (amHappy)

could also be written as:

Answer 2

if (amHappy == true)

Question 3

if (!amHappy)

could also be written as:

Answer 3

if (amHappy == false)
//or 
if (amHappy != true)

Question 4

In Java, how do you test to see if string myName equals Joey?

Answer 4

if ( myName.equals(“Joey”) )
//or
if ( myName.equalsIgnoreCase(“joey”) )
//if you want to ignore case

Question 5

If ( (amHappy) && (tonight) )

could be written as:

Answer 5

if (amHappy==true && tonight==true)

Question 6

If ( (amHappy) | | (tonight) )

could be written as:

Answer 6

if (amHappy==true || tonight==true)

Question 7

What is the boolean operator for “and?”

Answer 7

&&

Question 8

What is the boolean operator for “or?”

Answer 8

||

Question 9

What is the boolean operator for “equal to?”

Answer 9

==