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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.     public static void main(String[] args) {
  5.         String[] data = new String[1];
  6.         int count = 0;
  7.         Scanner scanner = new Scanner(System.in);
  8.  
  9.         while (true) {
  10.             System.out.print("> ");
  11.             String line = scanner.nextLine();
  12.  
  13.             if (line.equals("end")) {
  14.                 break;
  15.             }
  16.  
  17.             if (count >= data.length) {
  18.                 String[] tmp = new String[data.length * 2];
  19.  
  20.                 for (int i = 0; i < count; i++) {
  21.                     tmp[i] = data[i];
  22.                 }
  23.  
  24.                 data = tmp;
  25.             }
  26.  
  27.             data[count++] = line;
  28.         }
  29.  
  30.         bubblesort(data, 0, count);
  31.  
  32.         for (int i = 0; i < count; i++) {
  33.             System.out.println(data[i]);
  34.         }
  35.     }
  36.  
  37.     public static void bubblesort(String[] data, int start, int last) {
  38.         for (int i = last - 1; i > start; i--) {
  39.             for (int j = start; j < i; j++) {
  40.                 if (data[j].compareTo(data[j + 1]) > 0) {
  41.                     swap(data, j, j + 1);
  42.                 }
  43.             }
  44.         }
  45.     }
  46.  
  47.     public static void swap(String[] data, int x, int y) {
  48.         String tmp = data[x];
  49.         data[x] = data[y];
  50.         data[y] = tmp;
  51.     }
  52. }
Runtime error #stdin #stdout #stderr 0.1s 380608KB
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stdin
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Standard input is empty
stdout
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>
stderr
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Exception in thread "main" java.util.NoSuchElementException: No line found
	at java.util.Scanner.nextLine(Scanner.java:1585)
	at Main.main(Main.java:11)
https://ideone.com/a8aXr1
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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