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我编码了一个石头剪刀纸游戏,但它并没有显示我想要它的结果。代码应该显示谁赢了比赛,不幸的是它不起作用。编码石头剪刀纸游戏
import javax.swing.JOptionPane;
public class rsp {
public static void main(String[] args){
int computer;
double random = 0;
char comp = ' ';
String statement = "";
random = Math.random() * 10;
computer = (int) random;
switch (computer)
{
case 1:
case 4:
case 7:
comp = 'r'; // rock
break;
case 2:
case 5:
case 8:
comp = 's'; // sissors
break;
case 3:
case 6:
case 9:
comp = 'p'; // paper
break;
default : statement = "this";
} //end of switch statement
String u;
u = JOptionPane.showInputDialog("ROCK, SISSORS, PAPER?");
char player = u.toLowerCase().charAt(0);
if (computer == 'r' & player == 'r')
{
statement = ("COMPUTER : ROCK. DRAW");
}
if (computer == 'r' & player == 's')
{
statement = ("COMPUTER : ROCK. LOST");
}
if (computer == 'r' & player == 'p')
{
statement = ("COMPUTER : ROCK. WON");
}
if (computer == 's' & player == 'r')
{
statement = ("COMPUTER : SISSORS. WON");
}
if (computer == 's' & player == 's')
{
statement = ("COMPUTER : SISSORS. DRAW");
}
if (computer == 's' & player == 'p')
{
statement = ("COMPUTER : SISSORS. LOST");
}
if (computer == 'p' & player == 'r')
{
statement = ("COMPUTER : PAPER. LOST");
}
if (computer == 'p' & player == 's')
{
statement = ("COMPUTER : PAPER. WON");
}
if (computer == 'p' & player == 'p')
{
statement = ("COMPUTER : PAPER. DRAW");
}
System.out.println (statement);
}
}
'但它不显示我想成为'结果'。请更具体一些。什么是问题,预期结果和实际结果如何。 – JFPicard
'&'可能不是您实际使用的操作符。 – JJJ
这个开关似乎也是......过度。 – CubeJockey