Code HS

“Errors and Exceptions”

Find the Bug!

HINT for the last one in “Strings and Characters” 

Character is a class in the Javadoc.

Character.isDigit(c) is a method that will return true if c is a digit, false if it is not.

So for our program, we can use a loop to get:

char c = str.charAt(i);

if Character.isDigit(c)

….

else

…

CodeHS Methods Units 1,2

PLEASE SEE SCHOOL LOOP FOR REVIEW WORKSHEETS EMBEDDED IN THE CALENDAR FOR THURSDAY UNDER “MIDTERM EXAM”

Exam on Basic Java concepts:

Escape character: \n, \t, \\, \”

Math: %, 1, math.sqrt(), Math.random() etc

if/else

loops: for and while

Strings: substring, .equals, length() etc.

boolean logic: &&, ||, DeMorgan’s law

I’ve included the worksheets we’ve done WITH ANSWERS to help you study 🙂

Do the first lab in Boolean Logic Two.  Try the Challenge if you want 🙂

boolean-logic-day-2

Do both labs in Boolean Logic

boolean-logic-day-1

Do the first two Labs in While/Do While Day 2 in the Sandbox

while-and-do-while-day-2

While and do-While Labs Day 1 in the Sandbox

Do the first 4.

last one is a challenge!

while-and-do-while-day-1

More For Loops!

Do #5,6,7 as listed

if those are easy, try the Challenge

for-loops-day-2-sandbox