Errors, numerous and varied

Hi, I'm new to this whole Java thing and i was wondering if i could get some help to fix a number of errors that i can't make heads or tails from.
\\notebook\C\Nim2.java:13: <identifier> expected
matches = 15;
^
\\notebook\C\Nim2.java:14: <identifier> expected
turn = 1;
^
\\notebook\C\Nim2.java:16: illegal start of type
while (matches>0){
^
\\notebook\C\Nim2.java:43: <identifier> expected
^
Thanks for any help.

You guys are gonna hate me for this, yeah I got rid of the conditional line (made sense once you pointed it out) but then ended up with 8 errors. I dont know if this is obvious or not but im using the % to express mod (i have an example that says to do this)
\\notebook\C\Nim2.java:18: unexpected type
required: variable
found : value
if (turn % 2 = 0){
^
\\notebook\C\Nim2.java:24: operator < cannot be applied to boolean,int
while (4<a<0){
^
\\notebook\C\Nim2.java:27: operator < cannot be applied to boolean,int
while (4<b<0){
^
\\notebook\C\Nim2.java:32: cannot resolve symbol
symbol : variable println
location: class TerminalIO.ScreenWriter
writer.println = ("Matches remaining" = matches);
^
\\notebook\C\Nim2.java:32: unexpected type
required: variable
found : value
writer.println = ("Matches remaining" = matches);
^
\\notebook\C\Nim2.java:35: unexpected type
required: variable
found : value
while (turn % 2 = 0){
\\notebook\C\Nim2.java:37: cannot resolve symbol
symbol : variable println
location: class TerminalIO.ScreenWriter
writer.println = ("Matches remaining" = matches);
\\notebook\C\Nim2.java:37: unexpected type
required: variable
found : value
writer.println = ("Matches remaining" = matches);

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