猜字小游戏(JAVA)

原标题：猜字小游戏(JAVA)

2021.04.19
题目描述：

思路：
语法基础：StringBuilder 类似列表，可以更改元素。

package Practice;
public class tt {
public static void main(String[] args) {
String str = "banana";
System.out.println(str.indexOf文章来源站点https://www.yii666.com/('z')); // -1
System.out.println(str.indexOf('a', 2)); // 3
StringBuilder words = new StringBuilder();
for (int i = 0; i < 5; i++)
words.append('*'); // "*****"
System.out.println(words.length()); // 5
System.out.println(words.indexOf("a"));// -1
System.out.println(words.indexOf("*", 1)); // 1
words.setCharAt(3, 'a'); // "***a*"
System.out.println(words);
}
}


代码：

package Practice;
import java.util.Scanner;
public class Guess {
public static String words[] = {"banana", "telecommunication", "programming", "bupt"};
public static boolean[] guwww.yii666.comessed = new boolean[words.length]; // 判断猜过
public static int num_guessed = 0; // 猜过的单词数量
public static char keep; // 是否继续y or n
public static void main(String[] args) {
// for(int i = 0; i
Scanner scanner = new Scanner(System.in);
do{
// 随机产生要猜测的单词 ans
int index = (int) (Math.random() * words.length);
String ans = words[index];
// 再来一次时的重复检测
while(guessed[index] == true)
{
index = (int) (Math.random() * words.length);
ans = words[index];
}
// 初始化，StringBuilder类似list
StringBuilder guessedWord = new StringBuilder();
for (int i = 0; i < ans.length(); i++)
guessedWord.append('*');
int numberOfCorrectLettersGuessed = 0, numberOfMisses = 0;
// 模拟过程
while (numberOfCorrectLettersGuessed < ans.length()) {
System.out.print("(Guess) Enter a letter in word " + guessedWord
+ " > ");
String s = scanner.nextLine();
char letter = s.charAt(0);
if (guessedWord.indexOf(letter + "") >= 0) { // 猜中，但重复，不算错误次数
System.out.println("\t" + letter + " is already in the word");
} else if (ans.indexOf(letter) < 0) { // 猜错
System.out.println("\t" + letter + " is not in the word");
numberOfMisses++;
} else { // 猜中，进行标记与赋值
int k = ans.indexOf(letter);
while (k >= 0) {
guessedWord.setCharAt(k, letter);
numberOfCorrectLettersGuessed++;
k = ans.indexOf(letter, k + 1);
}
}
}
System.out.println("The word is " +www.yii666.com ans + ". You missed "
+ numberOfMisses + ((numberOfMisses <= 1) ? " time" : " times"));
guessed[index] = true;
num_guessed += 1;
if(num_guessed < words.length)
{
System.out.print("Do you want to guess for another word? Enter y or n> ");
keep = scann文章来源地址40679.htmler.nextLine().charAt(0);
}
}while(keep == 'y' && num_guessed < words.length);
if(keep == 'y')
System.out.println("Perfect!!!");
else
System.out.println("You have guessed " + num_guessed + ((num_gue文章来源地址40679.htmlssed <= 1) ? " word~" : " words~"));
}
}


效果图：
全部猜完：


中途退出：

来源于：猜字小游戏(JAVA)