Simple tic tac toe game

TicTacToe.jave

import java.util.Scanner;

public class TicTacToe {
  private char board[][];
	
	TicTacToe(){
		board = new char[3][3];
		for(int i = 0;i<board.length;i++){
			for(int j = 0;j<board[i].length;j++){
				board[i][j] = '-';
			}
		}
	}
	
	void displayUpdate(){
		for(int i = 0;i<board.length;i++){
			for(int j = 0;j<board[i].length;j++){
				System.out.print(board[i][j] + " ");
			}
			System.out.println();
		}
	}
	
	boolean insertNextMove(char c, int row, int col){
		boolean legal = true;
		
		try{
			if(!(c != 'X' || c!= 'x' || c!='o' || c!='O')){
				throw new IllegalArgumentException("Invalid charcter");
			}
			if((row >3 || row < 0 || col > 3 || col < 0)){
				throw new ArrayIndexOutOfBoundsException("Move is not within the board parameters.");
			}
			if(board[row][col] == 'X' || board[row][col] == 'O'){
				throw new IllegalArgumentException("Move is invalid please try again, that space is occupied.");
			}
			else{
				board[row][col] = c;
			}
		}
		catch(IllegalArgumentException e){
			legal = false;
			System.out.println(e);
		}
		catch(ArrayIndexOutOfBoundsException e){
			legal = false;
			System.out.println(e);
		}
		
		return legal;
	}
	
	boolean gameOver(){
		boolean winner = false;
		
		for(int i = 0;i<board.length;i++){
			boolean h = board[i][0] == board[i][1] && board[i][0] == board[i][2];
			boolean v = board[0][i] == board[1][i] && board[0][i] == board[2][i];
			if(h && board[i][0] != '-'){
				System.out.println("Player " + board[i][0] + " wins!");
				winner = true;
				return winner;
			}
			if(v && board[0][i] != '-'){
				System.out.println("Player " + board[0][i] + " wins!");
				winner = true;
				return winner;
			}
		}
		
		if(board[0][0] == board[1][1] && board[0][0] == board[2][2] && board[0][0] != '-'){
			System.out.println("Player " + board[0][0] + " wins!");
			winner = true;
			return winner;
		}
		if(board[0][2] == board[1][1] && board[0][2] == board[0][2] && board[2][0] != '-'){
			System.out.println("Player " + board[2][0] + " wins!");
			winner = true;
			return winner;
		}
		
		return winner;
	}
	
	public static void main(String[] args){
		Scanner in = new Scanner(System.in);
		TicTacToe t = new TicTacToe();
		boolean cont = true;
		
		while(cont){
			System.out.println("Please enter what playing piece you are using, either X or O");
			char[] temp = in.next().toCharArray();
			char player = temp[0];
			System.out.println("Please enter the row you wish to put your piece:");
			int row = in.nextInt();
			System.out.println("Please enter the column you wish to put your piece:");
			int col = in.nextInt();
			
			t.insertNextMove(player, (row-1), (col-1));
			t.displayUpdate();
			cont = !t.gameOver();
		}
	}
}