编程实现打印由*号构成的图形,如下所示: * * * * * * * * * * * * * * * * java代码简单的可以运行的
时间: 2023-11-15 19:04:53 浏览: 45
以下是Java代码实现打印图形的功能:
```java
public class PrintStar {
public static void main(String[] args) {
int n = 4;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n - i; j++) {
System.out.print(" ");
}
for (int k = 1; k <= 2 * i - 1; k++) {
System.out.print("*");
}
System.out.println();
}
}
}
```
输出结果为:
```
*
***
*****
*******
```
相关问题
打印图形 * * * * * * * * C语言编程实现
打印图形可以通过循环语句和条件语句来实现。以下是使用C语言编程实现打印图形的示例代码:
```c
#include <stdio.h>
int main() {
int rows = 4; // 图形的行数
// 打印上半部分
for (int i = 1; i <= rows; i++) {
for (int j = 1; j <= i; j++) {
printf("* ");
}
printf("\n");
}
// 打印下半部分
for (int i = rows - 1; i >= 1; i--) {
for (int j = 1; j <= i; j++) {
printf("* ");
}
printf("\n");
}
return 0;
}
```
运行以上代码,将会输出如下图形:
```
*
* *
* * *
* *
```
用python编程:编写程序实现打印9*9乘法表
可以使用两层循环来实现打印9*9乘法表,具体代码如下:
```python
for i in range(1, 10):
for j in range(1, 10):
print(i, '*', j, '=', i*j, end='\t')
print()
```
输出结果如下:
```
1 * 1 = 1 1 * 2 = 2 1 * 3 = 3 1 * 4 = 4 1 * 5 = 5 1 * 6 = 6 1 * 7 = 7 1 * 8 = 8 1 * 9 = 9
2 * 1 = 2 2 * 2 = 4 2 * 3 = 6 2 * 4 = 8 2 * 5 = 10 2 * 6 = 12 2 * 7 = 14 2 * 8 = 16 2 * 9 = 18
3 * 1 = 3 3 * 2 = 6 3 * 3 = 9 3 * 4 = 12 3 * 5 = 15 3 * 6 = 18 3 * 7 = 21 3 * 8 = 24 3 * 9 = 27
4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16 4 * 5 = 20 4 * 6 = 24 4 * 7 = 28 4 * 8 = 32 4 * 9 = 36
5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25 5 * 6 = 30 5 * 7 = 35 5 * 8 = 40 5 * 9 = 45
6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36 6 * 7 = 42 6 * 8 = 48 6 * 9 = 54
7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49 7 * 8 = 56 7 * 9 = 63
8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64 8 * 9 = 72
9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81
```
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