Java Example - Array Sorting and Searching

/*
 author by w3cschool.cc
 文件名：Main.java
 */import java.util.Arrays;public class MainClass {
   	public static void main(String args[]) throws Exception {
      	int array[] = { 2, 5, -2, 6, -3, 8, 0, -7, -9, 4 };
	    Arrays.sort(array);
	   	printArray("Sorted array", array);
	    int index = Arrays.binarySearch(array, 2);
	    System.out.println("Found 2 @ " + index);
   }
   private static void printArray(String message, int array[]) {
      	System.out.println(message      	+ ": [length: " + array.length + "]");
      	for (int i = 0; i < array.length; i++) {
        	if(i != 0){
            	System.out.print(", ");
			}
			System.out.print(array[i]);                     
		}
		System.out.println();
	}}