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  1. import java.util.*;
  2. public class A4A{
  3. 	Scanner input=new Scanner(System.in);
  4. 	String[][] a2 = new String[100][2];
  5. 	int length;
  6. 	A4A(){
  7. 		getValues();
  8. 		printValues(a2, length);
  9. 		bubble_srt();
  10. 		selection_srt();
  11.  
  12. 	}
  13. 	public void getValues(){
  14. 		String line="";
  15. 		System.out.println("Enter elements of your choice: ");
  16. 		length=0;
  17. 		while( length < a2.length && !line.equalsIgnoreCase("done")){
  18. 			line=input.nextLine();
  19. 			if (!line.equalsIgnoreCase("done") && !line.isEmpty()){
  20. 				a2[length][0]=line;
  21. 				a2[length][1]=line.trim().toLowerCase().substring(0, 1) ;
  22. 				length++;
  23. 			}
  24. 		}
  25.  
  26. 	}
  27. 	public void printValues(String[][] p, int size){
  28. 		for(int i=0; i <size; i++)
  29. 			System.out.println(i+":"+p[i][1]+":"+p[i][0]);
  30. 	}
  31. 	public void bubble_srt(){
  32. 		int i, j;
  33. 		String[] temp=new String[2];
  34. 		String[][] b = a2.clone();
  35.  
  36. 		for(i = 0; i < length; i++){
  37. 			for(j = 1; j < (length-i); j++){
  38. 				if(b[j-1][1].charAt(0) > b[j][1].charAt(0)){
  39. 					temp = b[j-1];
  40. 					b[j-1]=b[j];
  41. 					b[j]=temp;
  42. 				}
  43. 			}
  44. 		}
  45. 		System.out.println("Bubble Sort");
  46. 		printValues(b, length);
  47. 	}
  48. 	public void selection_srt(){
  49. 		String [][]s = a2.clone();
  50. 		for(int x=0; x<length; x++){
  51. 			int index_of_min = x;
  52. 			for(int y=x; y<length; y++){
  53. 				if(s[index_of_min][1].charAt(0) > s[y][1].charAt(0)){
  54. 					index_of_min = y;
  55. 				}
  56. 			}
  57. 			String[] temp = s[x];
  58. 			s[x] = s[index_of_min];
  59. 			s[index_of_min] = temp;
  60. 		}
  61.  
  62. 		System.out.println("Selection Sort");
  63. 		printValues(s, length);
  64. 	}
  65.  
  66.  
  67. 	public static void main(String[] args) {
  68. 		new A4A();
  69.  
  70. 	}
  71. }
  72.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:2: error: class A4A is public, should be declared in a file named A4A.java
public class A4A{
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/VXYhO6
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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