arraystester.java

基于netbeans的java桌面应用程序合集

package com.sun.tiger.news;

import java.util.Arrays;
import java.util.List;

public class ArraysTester {
    
    private int[] ar;
    
    public ArraysTester(int numValues) {
        ar = new int[numValues];
        
        for (int i=0; i < ar.length; i++) {
            ar[i] = (1000 - (300 + i));
        }
    }
    
    public int[] get() {
        return ar;
    }
    
    public static void main(String[] args) {
        ArraysTester tester = new ArraysTester(50);
        int[] myArray = tester.get();
        
        // Compare two arrays
        int[] myOtherArray = tester.get().clone();
        if (Arrays.equals(myArray, myOtherArray)) {
            System.out.println("The two arrays are equal!");
        } else {
            System.out.println("The two arrays are not equal!");
        }
        
        // Fill up some values
        Arrays.fill(myOtherArray, 2, 10, new Double(Math.PI).intValue());
        myArray[30] = 98;
        
        // Print array, as is
        System.out.println("Here's the unsorted array...");
        System.out.println(Arrays.toString(myArray));
        System.out.println();
        
        // Sort the array
        Arrays.sort(myArray);
        
        // print array, sorted
        System.out.println("Here's the sorted array...");
        System.out.println(Arrays.toString(myArray));
        System.out.println();
        
        // Get the index of a particular value
        int index = Arrays.binarySearch(myArray, 98);
        System.out.println("98 is located in the array at index " + index);
        
        String[][] ticTacToe = { {"X", "O", "O"},
        {"O", "X", "X"},
        {"X", "O", "X"}};
        System.out.println(Arrays.deepToString(ticTacToe));
        
        String[][] ticTacToe2 = { {"O", "O", "X"},
        {"O", "X", "X"},
        {"X", "O", "X"}};
        
        String[][] ticTacToe3 = { {"X", "O", "O"},
        {"O", "X", "X"},
        {"X", "O", "X"}};
        
        if (Arrays.deepEquals(ticTacToe, ticTacToe2)) {
            System.out.println("Boards 1 and 2 are equal.");
        } else {
            System.out.println("Boards 1 and 2 are not equal.");
        }
        
        if (Arrays.deepEquals(ticTacToe, ticTacToe3)) {
            System.out.println("Boards 1 and 3 are equal.");
        } else {
            System.out.println("Boards 1 and 3 are not equal.");
        }
    }
}