Comp Sci Unit Test

equal to

==

not equal to

!=

greater than

>

greater than or equal to

>=

less than 

<

less than or equal to

<=

if statement variable a equals b

if(a==b)

{

}

if statement string answer equals address variable ignoring cap letters

if(answer.equalsIgnoreCase(address))
{
}

if statement string answer equals Ottawa ignoring caps

if(answer.equalsIgnoreCase(“Ottawa”)

{
}

convert String holiday = “Thanksgiving” to char letter 4

letter = holiday.charAt(4);

convert String holiday = “Thanksgiving" to length

int length = holiday.length();

or

||

and

&&

not

!

switch limits

ONLY FOR ints, chars, String; no logical operations

switch example country not variable

switch (country)

{

case (“Canada”):

case (“canada”):

{

System.out.println(“You chose Canada”);

break;

}

default:

{

System.out.println(“invalid country”);

break;

}

}

initializing char variable letter

letter = scanS.nextLine( ).charAt(0);