Java如何判斷一個整型數字是幾位數的方法
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner =new Scanner(System.in); int ...
final static int sizeTable , , , , , , , , , Integer.MAX VALUE static int sizeOfInt int x for int i i if x lt sizeTable i return i ...
2017-07-20 09:31 0 1179 推薦指數:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner =new Scanner(System.in); int ...
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a=123.456 a = num2str(123.456);b = find(a=='.');c = length(a)-b 或者一步到位: a=123.456; a=num2str(a); ...
一題多種思路: Q:循環哪里怎么理解? A:int o=1; while(i/=10){ ++o; } printf("位數是%d",o);-----------------備忘錄 ...
import java.util.Scanner; //給一個不多於5位的正整數,要求:一、求它是幾位數,二、逆序打印出各位數字。 public class Test { public static void main(String[] args) { Scanner sc = new ...