java直角三角形12345
时间: 2024-01-12 19:21:53 浏览: 24
以下是使用Java打印直角三角形的代码示例:
```java
public class RightTriangle {
public static void main(String[] args) {
int n = 5; // 定义三角形的行数
for (int i = 1; i <= n; i++) { // 控制行数
for (int j = 1; j <= i; j++) { // 控制每行的数字个数
System.out.print(j); // 打印数字
}
System.out.println(); // 换行
}
}
}
```
运行以上代码,将会输出以下结果:
```
1
12
123
1234
12345
```
相关问题
java倒直角三角形
以下是两种Java打印倒立直角三角形的例子:
1. Java打印倒立直角三角形:
```java
public class Test18 {
public static void main(String[] args) {
for (int i = 1; i < 10; i++) {
for (int j = 1; j < 10 - i; j++) {
System.out.print("*");
}
System.out.println();
}
}
}
```
2. Java输出反过来的倒立直角三角形:
```java
public class Test19 {
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
for (int j = 1; j < i; j++) {
System.out.print(" ");
}
for (int j = i; j < 10; j++) {
System.out.print("*");
}
System.out.println();
}
}
}
```
JAVA 类 直角三角形
下面是四种打印直角三角形的Java代码示例:
示例1 - 打印正直角三角形:
```java
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
for (int j = 0; j < i + 1; j++) {
System.out.print("*");
}
System.out.println();
}
}
```
示例2 - 打印倒直角三角形:
```java
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5 - i; j++) {
System.out.print("*");
}
System.out.println();
}
}
```
示例3 - 打印正直角三角形(反):
```java
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
for (int j = 0; j < 5 - i; j++) {
System.out.print(" ");
}
for (int j = 0; j < i + 1; j++) {
System.out.print("*");
}
System.out.println();
}
}
```
示例4 - 打印倒直角三角形(反):
```java
public static void main(String[] args) {
for (int i = 0; i < 5; i++) {
for (int j = 0; j < i + 1; j++) {
System.out.print(" ");
}
for (int j = 0; j < 5 - i; j++) {
System.out.print("*");
}
System.out.println();
}
}
```
其中,示例1和示例2分别打印正直角三角形和倒直角三角形,示例3和示例4分别打印正直角三角形(反)和倒直角三角形(反)。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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