基础练习 01字串

Posted 2021-01-31 duniqb

共32种可能，每种可能对应一个整型数，从小到大，把每一个整数转换成二进制位输出

 1 import java.util.Arrays;
 2 import java.util.Scanner;
 3  
 4 public class Main  {
 5     public static void main(String[] args) {
 6         Scanner scanner = new Scanner(System.in);      
 7         
 8         int n1, n2, n3, n4, n5;
 9         
10         for (int i = 0; i < 32; i++) {
11             if (i % 2 == 0) {
12                 n1 = 0;
13             } else {
14                 n1 = 1;
15             }
16             if (i / 2 % 2 == 0) {
17                 n2 = 0;
18             } else {
19                 n2 = 1;
20             }
21             if (i / 4 % 2 == 0) {
22                 n3 = 0;
23             } else {
24                 n3 = 1;
25             }
26             if (i / 8 % 2 == 0) {
27                 n4 = 0;
28             } else {
29                 n4 = 1;
30             }
31             if (i / 16 % 2 == 0) {
32                 n5 = 0;
33             } else {
34                 n5 = 1;
35             }
36             System.out.print(n5);
37             System.out.print(n4);
38             System.out.print(n3);
39             System.out.print(n2);
40             System.out.print(n1);
41             System.out.println();
42         }
43         
44     }   
45 }