就是五子棋，DOS版的，下子的时候输入横纵坐标。。。

没学GUI就是不爽啊。。
下面这个是我写的。成功运行 :|

View Code JAVA
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package day6;
 
/*五子棋*/
import java.util.*;
 
public class FiveChessGame {
 
	public static int heng(int i, int j, char c, char a[][], int k) {
		int[] temp1 = new int[2];
		int[] temp2 = new int[2];
		for (int e = j - 1; e >= -1; e--) // 横着5个
		{
			if (e == -1 || e == 16) {
				temp1[k] = e;
				break;
			}
			if (a[i][e] != c) {
				temp1[k] = e;
				break;
			}
		}
		for (int e = j + 1; e < = a[i].length; e++) {
			if (e == -1 || e == 16) {
				temp2[k] = e;
				break;
			}
			if (a[i][e] != c) {
				temp2[k] = e;
				break;
			}
		}
		if (temp2[k] - temp1[k] == 6 && k == 0) {
			return 2;
 
		} else if (temp2[k] - temp1[k] == 6 && k == 1) {
			return 1;
		} else
			return 0;
	}
 
	public static int shu(int i, int j, char c, char a[][], int k) {
		int[] temp1 = new int[2];
		int[] temp2 = new int[2];
		for (int e = i - 1; e >= -1; e--) // 竖着5个
		{
			if (e == -1 || e == 16) {
				temp1[k] = e;
				break;
			}
			if (a[e][j] != c) {
				temp1[k] = e;
				break;
			}
		}
		for (int e = i + 1; e < = a[i].length; e++) {
			if (e == -1 || e == 16) {
				temp2[k] = e;
				break;
			}
			if (a[e][j] != c) {
				temp2[k] = e;
				break;
			}
		}
		if (temp2[k] - temp1[k] == 6 && k == 0) {
			return 2;
		} else if (temp2[k] - temp1[k] == 6 && k == 1) {
			return 1;
		} else
			return 0;
	}
 
	public static int xie(int i, int j, char c, char a[][], int k) {
		int[] temp1 = new int[2];
		int[] temp2 = new int[2];
		for (int e = j - 1; e >= -1; e--) // 斜着5个
		{
			i--;
			if (e == -1 || e == 16 || i == -1 || i == 16) {
				temp1[k] = e;
				break;
			}
			if (a[i][e] != c) {
				temp1[k] = e;
				break;
			}
		}
		for (int e = j + 1; e < = a.length; e++) {
			i++;
			if (e == -1 || e == 16 || i == -1 || i == 16) {
				temp2[k] = e;
				break;
			}
			if (a[i][e] != c) {
				temp2[k] = e;
				break;
			}
		}
		if (temp2[k] - temp1[k] == 6 && k == 0) {
			return 2;
 
		} else if (temp2[k] - temp1[k] == 6 && k == 1) {
			return 1;
		} else
			return 0;
	}
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[][] a = new char[16][16];
		char b[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a',
				'b', 'c', 'd', 'e', 'f' };
		char c[] = { 'O', '@' };
		int k = 0, m = 0;
		int h = 0, s = 0, x = 0;
		for (int i = 0; i < a.length; i++) {
			for (int j = 0; j < a[i].length; j++) {
				a[i][j] = '*';
			}
		}
		while (true) {
			System.out.print("   ");
			for (int j = 0; j < a[0].length; j++) {
				System.out.print(b[j] + "  ");
			}
			System.out.println();
			for (int i = 0; i < a.length; i++) {
				System.out.print(b[i] + "  ");
				for (int j = 0; j < a[i].length; j++) {
					System.out.print(a[i][j] + "  ");
				}
				System.out.println();
			}
			if (h == 1 || s == 1 || x == 1) {
				System.out.println("黑方获胜！");
				break;
			} else if (h == 2 || s == 2 || x == 2) {
				System.out.println("白方获胜！");
				break;
			}
			if (k == 0) {
				System.out.println("请黑方落子：");
				k++;
			} else {
				System.out.println("请白方落子：");
				k = 0;
			}
			String sd = sc.next();
			char a1 = sd.charAt(0);
			char a2 = sd.charAt(1);
			for (int i = 0; i < a.length; i++) {
				if (a1 == b[i]) {
					for (int j = 0; j < a[i].length; j++) {
						if (a2 == b[j]) {
							if (a[i][j] == '*') {
								a[i][j] = c[k];
								m = 1;
								h = heng(i, j, c[k], a, k);
								s = shu(i, j, c[k], a, k);
								x = xie(i, j, c[k], a, k);
							} else {
								System.out.println("此位置已经有棋子！请另选位置。");
								k = k > 0 ? 0 : 1;
								m = 1;
							}
						}
					}
				}
			}
			if (m != 1) {
				System.out.println("输入有误，请重新输入！");
				k = k > 0 ? 0 : 1;
			}
			m = 0;
		}
	}
}

下面这个呢，就是老师写的了。。比我写的好。。。 :arrow:

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package day05.fivechess;
import java.util.Scanner;
public class FiveChess {
	static char[][] chess=new char[16][16];
	static boolean isBlack=true;
 
	public static void main(String[] args){
 
		for(int i=0;ilength;i++){
			for(int j=0;j[i].length;j++){
				chess[i][j]='*';
			}
		}
		Scanner s=new Scanner(System.in);
		printChess();
		while(true){
			System.out.println("请"+(isBlack?"黑":"白")+"方落子：");
			String str=s.next();
			int r=fromCharToInt(str.charAt(0));
			int c=fromCharToInt(str.charAt(1));
			if(chess[r][c]!='*'){
				System.out.println("该位置已经有棋子，请重新输入！");
				continue;
			}else{
				chess[r][c]=isBlack?'@':'O';
				printChess();
				if(wasWin(r,c)){
					System.out.println((isBlack?"黑":"白")+"方获胜！");
					break;
				}
			}
 
			isBlack=!isBlack;
		}
	}
 
	public static void printChess(){
		for(int i=0;ilength;i++){
			if(i<10){
				System.out.print("  "+i);
			}else{
				System.out.print("  "+(char)('a'+i-10));
			}
		}
		System.out.println();
		for(int i=0;ilength;i++){
			if(i<10){
				System.out.print(i+" ");
			}else{
				System.out.print((char)('a'+i-10)+" ");
			}
 
			for(int j=0;j[i].length;j++){
				System.out.print(chess[i][j]+"  ");
			}
			System.out.println();
		}
	}
 
	public static int fromCharToInt(char c){
		if(c>='0' && c< ='9'){
			return c-'0';
		}else{
			return c-'a'+10;
		}
	}
 
 
	public static boolean wasWin(int r,int c){
		return wasWinAtV(r,c)||wasWinAtH(r,c)||wasWinAtLD(r,c)||wasWinAtRD(r,c);
	}
 
	public static boolean wasWinAtV(int r,int c){
		char ch=isBlack?'@':'O';
		int i=c;
		while(i>=0 && chess[r][i]==ch){//向左找到第一个不是ch的字符
			i--;
		}
		int num=0;
		i++;
		while(ilength && chess[r][i]==ch){
			num++;
			i++;
		}
		return num>=5;
 
	}
 
	public static boolean wasWinAtH(int r,int c){
		char ch=isBlack?'@':'O';
		int i=r;
		while(i>=0 && chess[i][c]==ch){//向左找到第一个不是ch的字符
			i--;
		}
		int num=0;
		i++;
		while(ilength && chess[i][c]==ch){
			num++;
			i++;
		}
		return num>=5;
	}
 
	public static boolean wasWinAtLD(int r,int c){
		char ch=isBlack?'@':'O';
		int i=r;
		int j=c;
		while(i>=0 && jlength && chess[i][j]==ch){//向左找到第一个不是ch的字符
			i--;
			j++;
		}
		int num=0;
		i++;
		j--;
		while(ilength && j>=0 && chess[i][j]==ch){
			num++;
			i++;
			j--;
		}
		return num>=5;
	}
 
	public static boolean wasWinAtRD(int r,int c){
		char ch=isBlack?'@':'O';
		int i=r;
		int j=c;
		while(i>=0 && j>=0 && chess[i][j]==ch){//向左找到第一个不是ch的字符
			i--;
			j--;
		}
		int num=0;
		i++;
		j++;
		while(ilength && jlength && chess[i][j]==ch){
			num++;
			i++;
			j++;
		}
		return num>=5;
	}
 
 
}

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