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  1. import java.util.*;
  2.  
  3. class Main{
  4. 	String[] name;
  5. 	int[] height;
  6. 	int[] etc1;
  7. 	int[] etc2;
  8.  
  9. 	public static void main(String[] args){
  10. 		Main m = new Main();
  11. 		System.out.println("---初期状態----");
  12. 		m.print();
  13. 		System.out.println("---height順----");
  14. 		m.sortHeight();
  15. 		m.print();
  16. 		System.out.println("---name順------");
  17. 		m.sortName();
  18. 		m.print();
  19. 	}
  20.  
  21. 	public Main(){
  22. 		name   = new String[]{"A", "B", "C"};
  23. 		height = new int[]{200, 300, 100};
  24. 		etc1   = new int[]{20,  30,  10 };
  25. 		etc2   = new int[]{2,   3,   1  };
  26. 	}
  27.  
  28. 	public void print(){
  29. 		for(int i=0; i<height.length; i++){
  30. 			System.out.println(name[i]+":"+height[i]+" "+etc1[i]+" "+etc2[i]);
  31. 		}
  32. 	}
  33.  
  34. 	RowRef[] makeRows(){
  35. 		ColSet cs = new ColSet(name, height, etc1, etc2);
  36. 		RowRef[] rows = new RowRef[name.length];
  37. 		for(int i=0; i<name.length; i++){
  38. 			rows[i] = new RowRef(cs, i);
  39. 		}
  40. 		return rows;
  41. 	}
  42. 	void sortHeight(){
  43. 		RowRef[] rows = makeRows();
  44. 		Arrays.sort(rows, new Comparator<RowRef>(){
  45. 			public int compare(RowRef o1, RowRef o2){return o1.cs.height[o1.row]-o2.cs.height[o2.row];}
  46. 		});
  47. 		rebuild(rows);
  48. 	}
  49. 	void sortName(){
  50. 		RowRef[] rows = makeRows();
  51. 		Arrays.sort(rows, new Comparator<RowRef>(){
  52. 			public int compare(RowRef o1, RowRef o2){return o1.cs.name[o1.row].compareTo(o2.cs.name[o2.row]);}
  53. 		});
  54. 		rebuild(rows);
  55. 	}
  56. 	void rebuild(RowRef[] rows){
  57. 		String[] name   = new String[rows.length];
  58. 		int[]    height = new int[rows.length];
  59. 		int[]    etc1   = new int[rows.length];
  60. 		int[]    etc2   = new int[rows.length];
  61. 		for(int i=0; i<rows.length; i++){
  62. 			name  [i] = rows[i].cs.name  [rows[i].row];
  63. 			height[i] = rows[i].cs.height[rows[i].row];
  64. 			etc1  [i] = rows[i].cs.etc1  [rows[i].row];
  65. 			etc2  [i] = rows[i].cs.etc2  [rows[i].row];
  66. 		}
  67. 		this.name   = name  ;
  68. 		this.height = height;
  69. 		this.etc1   = etc1  ;
  70. 		this.etc2   = etc2  ;
  71. 	}
  72. }
  73.  
  74. class ColSet{
  75. 	public String[] name;
  76. 	public int[] height;
  77. 	public int[] etc1;
  78. 	public int[] etc2;
  79. 	public ColSet(String[] name, int[] height, int[] etc1, int[] etc2){
  80. 		this.name=name;
  81. 		this.height=height;
  82. 		this.etc1=etc1;
  83. 		this.etc2=etc2;
  84. 	}
  85. }
  86.  
  87. class RowRef{
  88. 	public ColSet cs;
  89. 	public int row;
  90. 	public RowRef(ColSet cs, int row){this.cs=cs; this.row=row;}
  91. }
Success #stdin #stdout 0.03s 245632KB
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---初期状態----
A:200 20 2
B:300 30 3
C:100 10 1
---height順----
C:100 10 1
A:200 20 2
B:300 30 3
---name順------
A:200 20 2
B:300 30 3
C:100 10 1
https://ideone.com/95hOI
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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