Update SurroundedRegions.java

Submission Result: Compile Error

Line 29: operator < cannot be applied to int,char[]

Submission Result: Wrong Answer L 41, 51

Input:	["XOXOXOOOXO","XOOXXXOOOX","OOOOOOOOXX","OOOOOOXOOX","OOXXOXXOOO","XOOXXXOXXO","XOXOOXXOXO","XXOXXOXOOX","OOOOXOXOXO","XXOXXXXOOO"]
Output:	["XOXOXOOOXO","XOOXXXOOOX","OOOOOOOOXX","OOOOOOXOOX","OOXXOXXOOO","XOOXXXXXXO","XOXXXXXOXO","XXOXXXXOXX","OOOOXXXOXO","XXOXXXXOOO"]
Expected:	["XOXOXOOOXO","XOOXXXOOOX","OOOOOOOOXX","OOOOOOXOOX","OOXXOXXOOO","XOOXXXXXXO","XOXXXXXOXO","XXOXXXXOOX","OOOOXXXOXO","XXOXXXXOOO"]

Submission Result: Compile Error

Line 53: unclosed character literal

Submission Result: Compile Error

Line 45: cannot find symbol: method remove()