// const
final int num = 90;
// primatives
int age = 90;
double decimalAge = 8.1;
boolean hasJob = true;
char letter = 'a';
// non-primatives
String name = "sentence blah blah blah";
// or
String name = new String("blah\n blah\\ blah\"\"");
/* prints the following
blah
blah\ blah""
*/
Concatenation
"stings stuff" + stringVar;
Changing value
a = b
a *= b
a += b
a -= b
a /= b
a %= b
a++
a--
a ** 2 // exponent
a * b
a + b
a - b
a / b
a % b