while 可以用for代替吗
public class HelloWorld{ public static void main(String[] args){ int num = 999; int count = 0; if (num>=0&&num<=99999999); while( num!=0){ count=count+1; num/=10; System.out.println("它是个"+count+"位的数!"); } } } while 可以用for代替吗
public class HelloWorld{ public static void main(String[] args){ int num = 999; int count = 0; if (num>=0&&num<=99999999); while( num!=0){ count=count+1; num/=10; System.out.println("它是个"+count+"位的数!"); } } } while 可以用for代替吗
2019-01-14
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