谁能帮我解释一下这个for循环
public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
for(int i = 1;i<=num;i = i*10){
count++;
}
System.out.println("它是个"+count+"位的数！");
}
}
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public class HelloWorld{
public static void main(String[] args){
int num = 999;
int count = 0;
for(int i = 1;i<=num;i = i*10){
count++;
}
System.out.println("它是个"+count+"位的数！");
}
}
2022-01-25
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