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  1. public class RandomWalker1 {
  2.     public static void main(String[] args) {
  3.         int r = Integer.parseInt(args[0]);
  4.         int steps = 0;
  5.         int x = 0;
  6.         int y = 0;
  7.  
  8.         System.out.println("(" + x + ", " + y + ")");
  9.  
  10.         while ((Math.abs(x) + Math.abs(y)) < r) {
  11.             if (Math.random() > 0.75) {
  12.                 steps++;
  13.                 x++;
  14.                 System.out.println("(" + x + ", " + y + ")");
  15.                 continue;
  16.             }
  17.             if (Math.random() <= 0.75 && Math.random() > 0.50) {
  18.                 steps++;
  19.                 x--;
  20.                 System.out.println("(" + x + ", " + y + ")");
  21.                 continue;
  22.             }
  23.             if (Math.random() <= 0.50 && Math.random() > 0.25) {
  24.                 steps++;
  25.                 y++;
  26.                 System.out.println("(" + x + ", " + y + ")");
  27.                 continue;
  28.             }
  29.             if (Math.random() <= 0.25) {
  30.                 steps++;
  31.                 y--;
  32.                 System.out.println("(" + x + ", " + y + ")");
  33.             }
  34.         }
  35.         System.out.println("steps = " + steps);
  36.  
  37.     }
  38. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:1: error: class RandomWalker1 is public, should be declared in a file named RandomWalker1.java
public class RandomWalker1 {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/eKqQNF
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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