Values can hold values of types that are…
Declared
Java has two types of types:
Primitive and Classes
Why is 13.println() an error?
Because int is not an object and you can’t call a method on it
Identifiers can only begin with:
Letters, dollar sign or underscore
Assignment operators
= \+ - / * %
Comparison operators
== equal
!= not equal
>
=
Logical operators
&& and
|| or
!
These are used to eat true or false for example in for loops
Examples of string methods
.length
.toUpperCase
.replace(“issipp”, “our”) replaces with our
Types are sets with…
The same behaviour