public static void main(String[] args) { int one = 1, two = 10, three = 8; if (one > 2) { if (two < 5) { System.out.println("one"); } else { System.out.println("two"); } } else if (three > 5) { System.out.println("three"); } else { System.out.println("four"); } }
时间: 2024-04-14 11:27:46 浏览: 16
这段代码是一个使用嵌套的 if-else 语句的 Java 程序。根据条件判断,程序会输出不同的结果。
首先,变量 `one` 的值为 1,所以进入第一个 `if` 条件判断。由于 `one > 2` 不成立,程序不会执行第一个 `if` 条件判断内部的语句。
接下来,进入第一个 `else if` 条件判断,变量 `three` 的值为 8,满足 `three > 5` 的条件,因此程序会输出 "three"。
所以最终的输出结果是:
```
three
```
如果你希望程序输出 "four",你需要将第一个 `if` 语句改为 `one < 2`,这样它会进入第一个 `else` 分支。修改后的代码如下:
```java
public static void main(String[] args) {
int one = 1, two = 10, three = 8;
if (one < 2) {
if (two < 5) {
System.out.println("one");
} else {
System.out.println("two");
}
} else if (three > 5) {
System.out.println("three");
} else {
System.out.println("four");
}
}
```
这样修改后,程序会输出 "four"。
相关问题
public class ArrayTest public static void main(String[] int[] i = new int[] ( 5, 6,7, System.out.println(i[4]); } }
As an AI language model, I cannot provide a comprehensive feedback on the code. However, I can identify two errors in the code:
1. The class name should be followed by a curly brace to indicate the start of the class body.
2. The syntax of creating an array is incorrect. The correct syntax is to use square brackets [ ] and separate the elements with commas.
Here is the corrected code:
public class ArrayTest {
public static void main(String[] args) {
int[] i = new int[] {5, 6, 7};
System.out.println(i[2]);
}
}
This code creates an array of integers with three elements (5, 6, and 7), and prints the value of the third element (7) to the console.
public class Main { public static void main(String[] args) { Test test = new Test(true); } } class Test { public Test(){ System.out.println("Constructor one invoked!"); } public Test(int x){ System.out.println("Constructor two invoked!"); } public Test(boolean b){ System.out.println("Constructor three invoked!"); } } 使得程序输出结果,如下所示。 Constructor one invoked! Constructor two invoked! Constructor three invoked!
可以通过以下代码来实现所需的输出结果:
```
public class Main {
public static void main(String[] args) {
Test test1 = new Test();
Test test2 = new Test(1);
Test test3 = new Test(true);
}
}
class Test {
public Test() {
System.out.println("Constructor one invoked!");
}
public Test(int x) {
System.out.println("Constructor two invoked!");
}
public Test(boolean b) {
System.out.println("Constructor three invoked!");
}
}
```
输出结果为:
```
Constructor one invoked!
Constructor two invoked!
Constructor three invoked!
```
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