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Nov 22nd, 2017
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  1. package com.sist;
  2.  
  3. public class 배열1 {
  4.  
  5. public static void main(String[] args) {
  6. // TODO Auto-generated method stub
  7. int[] arr=new int[5];
  8. int[] rank=new int[5];
  9.  
  10. for(int i=0;i<5;i++) {
  11. arr[i]=(int)(Math.random()*100)+1;
  12. }
  13.  
  14. for(int i=0;i<5;i++) {
  15. rank[i]=1;
  16. for(int j=0;j<5;j++) {
  17. if(arr[i]<arr[j]) {
  18. rank[i]++;
  19. }
  20. }
  21. }
  22.  
  23. for(int i=0;i<5;i++) {
  24. System.out.println(
  25. arr[i]+" "+rank[i]);
  26. }
  27.  
  28. for(int i=0;i<5;i++) {
  29. System.out.print(arr[i]+" ");
  30. }
  31.  
  32. for(int i=0;i<arr.length-1;i++) {
  33. for(int j=i+1;j<arr.length;j++) {
  34. if(arr[i]<arr[j]) {
  35. int temp=arr[i]; //작은것
  36. arr[i]=arr[j]; //큰것
  37. arr[j]=temp; //작은것
  38. }
  39. }
  40. }
  41. System.out.println();
  42. for(int i=0;i<5;i++) {
  43. System.out.print(arr[i]+" ");
  44. }
  45. System.out.println();
  46.  
  47. //오름차순
  48. for(int i=0;i<arr.length-1;i++) {
  49. for(int j=1;j<arr.length;j++) {
  50. if(arr[i]>arr[j]) {
  51. int temp=arr[i];
  52. arr[i]=arr[j]; //작은것
  53. arr[j]=temp; //큰것
  54. }
  55. }
  56. }
  57.  
  58. for(int i=0;i<5;i++) {
  59. System.out.print(arr[i]+" ");
  60. }
  61.  
  62. }
  63.  
  64. }
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