public class ArraySearcherDemo
1: //ArraySearcherDemo.java
3: import java.util.Scanner;
4: import java.util.Arrays;
6: public class ArraySearcherDemo
7: {
8: public static void main(String[] args)
9: {
10: Scanner keyboard = new Scanner(System.in);
11: /*
12: int[] anArray = new int[10];
13: Scanner keyboard = new Scanner(System.in);
14: System.out.print("Enter 10 integers in increasing order, ");
15: System.out.println("one per line:");
17: for (int i = 0; i < 10; i++)
18: anArray[i] = keyboard.nextInt();
19: System.out.println();
20: */
22: final int NUM_VALUES = 10;
23: int arraySize = NUM_VALUES + (int)((NUM_VALUES + 1) * Math.random());
24: int[] anArray = new int[arraySize];
25: for (int i = 0; i < arraySize; i++)
26: anArray[i] = 10 + (int)(90 * Math.random());
27: Arrays.sort(anArray);
29: for (int i = 0; i < anArray.length; i++)
30: System.out.print("a[" + i + "]=" + anArray[i] + " ");
31: System.out.println();
32: System.out.println();
34: ArraySearcher finder = new ArraySearcher(anArray);
36: String ans;
37: do
38: {
39: System.out.println("Enter a value to search for:");
40: int target = keyboard.nextInt();
41: int result = finder.find(target);
43: if (result < 0)
44: System.out.println(target + " is not in the array.");
45: else
46: System.out.println(target + " is at index " + result);
48: System.out.print("Again? ");
49: ans = keyboard.next();
50: }
51: while (ans.equalsIgnoreCase("yes"));
53: System.out.println("May you find what you're searching for.");
54: }
55: }