用Java写99乘法表
时间: 2024-05-05 21:17:03 浏览: 10
```java
public class MultiplicationTable {
public static void main(String[] args) {
for (int i = 1; i <= 9; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + "x" + i + "=" + (i * j) + "\t");
}
System.out.println();
}
}
}
```
输出结果:
```
1x1=1
1x2=2 2x2=4
1x3=3 2x3=6 3x3=9
1x4=4 2x4=8 3x4=12 4x4=16
1x5=5 2x5=10 3x5=15 4x5=20 5x5=25
1x6=6 2x6=12 3x6=18 4x6=24 5x6=30 6x6=36
1x7=7 2x7=14 3x7=21 4x7=28 5x7=35 6x7=42 7x7=49
1x8=8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64
1x9=9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81
```
相关问题
用Java写九九乘法表
### 回答1:
以下是用 Java 写的九九乘法表的代码:
```
public class MultiplicationTable {
public static void main(String[] args) {
for (int i = 1; i <= 9; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + " * " + i + " = " + i * j + "\t");
}
System.out.println();
}
}
}
```
### 回答2:
用Java写九九乘法表可以使用嵌套循环来实现。第一层循环控制行数,第二层循环控制每行中的列数,每行的数字是行数和列数的乘积。
以下是使用Java编写九九乘法表的代码:
```java
public class MultiplicationTable {
public static void main(String[] args) {
int n = 9; // 九九乘法表的最大数值
for (int i = 1; i <= n; i++) { // 控制行数
for (int j = 1; j <= i; j++) { // 控制列数
int result = i * j;
System.out.print(i + " * " + j + " = " + result + "\t");
}
System.out.println();
}
}
}
```
运行上述代码,会输出九九乘法表:
```
1 * 1 = 1
2 * 1 = 2 2 * 2 = 4
3 * 1 = 3 3 * 2 = 6 3 * 3 = 9
4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16
5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25
6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36
7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49
8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64
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
```
这样就成功使用Java写出了九九乘法表。
### 回答3:
要使用Java写九九乘法表,可以使用嵌套循环来实现。以下是一种实现方式:
```java
public class MultiplicationTable {
public static void main(String[] args) {
for (int i = 1; i <= 9; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + " * " + i + " = " + (i * j) + "\t");
}
System.out.println();
}
}
}
```
在主函数中,我们使用了两个循环。外层的循环`i`表示被乘数,范围是从1到9。内层的循环`j`表示乘数,范围是从1到`i`。通过将`i`和`j`相乘,就可以输出相应的乘法结果。我们使用`System.out.print`来打印结果,并使用制表符`\t`来控制结果的对齐。每次内层循环结束后,我们通过`System.out.println`来换行,以显示下一行的乘法结果。
运行以上代码,就可以在控制台上看到九九乘法表的输出结果。
希望能对你有所帮助!
用 java 写 九九乘法表
以下是用 Java 写的九九乘法表代码:
```java
public class MultiplicationTable {
public static void main(String[] args) {
for (int i = 1; i <= 9; i++) {
for (int j = 1; j <= i; j++) {
System.out.print(j + " × " + i + " = " + (i * j) + "\t");
}
System.out.println();
}
}
}
```
输出结果为:
```
1 × 1 = 1
1 × 2 = 2 2 × 2 = 4
1 × 3 = 3 2 × 3 = 6 3 × 3 = 9
1 × 4 = 4 2 × 4 = 8 3 × 4 = 12 4 × 4 = 16
1 × 5 = 5 2 × 5 = 10 3 × 5 = 15 4 × 5 = 20 5 × 5 = 25
1 × 6 = 6 2 × 6 = 12 3 × 6 = 18 4 × 6 = 24 5 × 6 = 30 6 × 6 = 36
1 × 7 = 7 2 × 7 = 14 3 × 7 = 21 4 × 7 = 28 5 × 7 = 35 6 × 7 = 42 7 × 7 = 49
1 × 8 = 8 2 × 8 = 16 3 × 8 = 24 4 × 8 = 32 5 × 8 = 40 6 × 8 = 48 7 × 8 = 56 8 × 8 = 64
1 × 9 = 9 2 × 9 = 18 3 × 9 = 27 4 × 9 = 36 5 × 9 = 45 6 × 9 = 54 7 × 9 = 63 8 × 9 = 72 9 × 9 = 81
```