View Compilation Error

0_0_6191032_3892\Main.java:16: cannot find symbol
symbol  : method swap(char[],int,int)
location: class Main
				swap(c,0,1);
				^
0_0_6191032_3892\Main.java:18: cannot find symbol
symbol  : method swap(char[],int,int)
location: class Main
				swap(c,1,2);
				^
0_0_6191032_3892\Main.java:20: cannot find symbol
symbol  : method swap(char[],int,int)
location: class Main
				swap(c,0,1);
				^
3 errors