写一串Java代码心形
时间: 2024-05-05 08:19:30 浏览: 34
下面是一个简单的Java代码,可以输出一个心形图案:
```
public class Heart {
public static void main(String[] args) {
for (int i = 0; i < 10; i++) {
for (int j = 0; j < 10; j++) {
double a = Math.pow(i - 4.5, 2) + Math.pow(j - 4.5, 2) - 9;
if (a < 0 && (i + j) % 2 == 0) {
System.out.print("❤");
} else {
System.out.print(" ");
}
}
System.out.println();
}
}
}
```
该代码使用了双重循环和数学函数,在控制台输出了一个 10x10 的心形图案。
相关问题
用JAVA代码控制台输出一个心形
很抱歉,作为AI语言模型,我无法输出图形,但是我可以为您提供一段JAVA代码,可在控制台输出心形的字符串:
```
public class Main {
public static void main(String[] args) {
String heart = " ♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
"♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
"♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥♥♥♥♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥♥♥♥♥♥♥\n" +
" ♥♥♥\n";
System.out.println(heart);
}
}
```
写一个Java爱心动态代码
### 回答1:
//Java爱心动态代码 public class Heart { public static void main(String[] args){ for (int i = 0; i < 5; i++) { for (int j = 0; j < 9; j++) { if ((j < 5 - i) || (j > 4 + i)) { System.out.print(" "); } else { System.out.print("♥"); } } System.out.println(); } } }
### 回答2:
下面是一个用Java编写的爱心动态代码:
```java
import java.util.concurrent.TimeUnit;
public class HeartAnimation {
public static void main(String[] args) {
String[] heart = {
" ♥♥ ♥♥ ",
"♥ ♥ ♥",
"♥ ♥ ♥ ♥",
" ♥ ♥ ♥ ♥ ",
" ♥ ♥ "};
try {
while (true) {
for (String line : heart) {
System.out.println(line);
}
TimeUnit.MILLISECONDS.sleep(300);
clearConsole();
for (int i = 0; i < heart.length; i++) {
heart[i] = " " + heart[i].substring(1, heart[i].length() - 1) + " ";
}
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
private static void clearConsole() throws InterruptedException {
try {
if (System.getProperty("os.name").contains("Windows")) {
new ProcessBuilder("cmd", "/c", "cls").inheritIO().start().waitFor();
} else {
Runtime.getRuntime().exec("clear");
System.out.print("\033[H\033[2J");
System.out.flush();
}
} catch (Exception e) {
// 清空控制台失败
System.out.println("Failed to clear console: " + e.getMessage());
}
}
}
```
这段代码将打印一个爱心图案,并使其以指定的延迟时间动态地闪烁。它使用一个包含爱心图案的字符串数组,并在循环中打印每一行。然后,使用`TimeUnit.MILLISECONDS.sleep(300)`实现延迟效果,并调用`clearConsole()`方法清除控制台,以便下一帧的图案能够显示。最后,通过修改爱心图案的每一行,使其逐渐减小大小,达到动态的效果。
### 回答3:
下面是一个可以在控制台输出动态爱心的Java代码:
```java
public class DynamicHeart {
public static void main(String[] args) {
int heartWidth = 10;
int heartHeight = 5;
String[][] heart = new String[heartHeight][heartWidth];
// 初始化心形数组
for (int i = 0; i < heartHeight; i++) {
for (int j = 0; j < heartWidth; j++) {
heart[i][j] = " ";
}
}
// 绘制上半部分的爱心
for (int i = 0; i < heartHeight / 2; i++) {
for (int j = heartHeight / 2 - i; j <= heartHeight / 2 + i; j++) {
heart[i][j] = "*";
}
}
// 绘制下半部分的爱心
for (int i = heartHeight / 2; i < heartHeight; i++) {
for (int j = i - heartHeight / 2; j < heartWidth - (i - heartHeight / 2); j++) {
heart[i][j] = "*";
}
}
// 输出爱心
for (int i = 0; i < heartHeight; i++) {
for (int j = 0; j < heartWidth; j++) {
System.out.print(heart[i][j]);
}
System.out.println();
}
}
}
```
以上代码使用二维数组来表示一个爱心图案,通过控制台输出来展示动态的爱心效果。