{ public static void main(String[] args) { int i=8, j=2; while(j< --i) for(int k=0; k<4; k++) j++; System.out.print(j); } }
时间: 2023-12-11 18:02:11 浏览: 27
As an AI language model, I cannot run the code or access the actual output. However, I can explain what the code does.
The code initializes two integer variables, i and j, with the values 8 and 2 respectively.
Then it enters a while loop that continues until j is less than the pre-decremented value of i.
Inside the while loop, there is a for loop that runs 4 times, incrementing k by 1 each time. However, the loop body is empty, so nothing happens in the for loop.
After the for loop, j is incremented by 1. This process repeats until j is no longer less than the pre-decremented value of i.
Finally, the code prints the value of j.
Based on the code, the output should be 4.
相关问题
public class Test f public static void main(String[] args)f int i=1: while(i<10if((++)%2==0)[ System.out.print(i+"");
根据提供的引用内容,以下是一个Java程序,它将打印1到9之间的所有偶数:
```java
public class Test {
public static void main(String[] args) {
int i = 1;
while (i < 10) {
if ((i++) % 2 == 0) {
System.out.print(i + "");
}
}
}
}
```
输出结果为:2 4 6 8
public class main { public static void main(String[] args) { int i; int sum=0; int b=1; for(i=1;i<=20;i++){ while(i!=0){ b*=i; i--; } sum+=b; } System.out.println(sum); } }代码有错吗
这段代码存在一个错误。在for循环中,i的值被改变,但是在while循环中也使用了i的值,导致程序出现了逻辑错误。正确的代码应该如下所示:
```
public class Main {
public static void main(String[] args) {
int i;
int sum = 0;
for (i = 1; i <= 20; i++) {
int b = 1; // 在每次循环开始前初始化b的值
while (i != 0) {
b *= i;
i--;
}
sum += b;
}
System.out.println(sum);
}
}
```
在每次循环开始前初始化b的值可以避免i的值被修改导致出现逻辑错误。
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