151212ArrayDemo3

package java151212;


/**
 * 数组常见操作,获取数组的元素
 */
public class ArrayDemo3 {
public static void main(String[] args) {
int[] arr = new int[] { 1, 2, 3, 6, 890, 0, 75 };
for (int i = 0; i < arr.length; i++) {
System.out.println("arr[" + i + "]=" + arr[i] + ";");
}
//[I@2a139a55
System.out.println(arr);
printArray(arr);
}


/**
*打印数组的元素,并且每个元素之间用逗号隔开 
*/

public static void printArray(int[] arr) {
for (int i = 0; i < arr.length; i++) {


if (i != arr.length-1) {
System.out.print(arr[i] + ",");
} else {
System.out.println(arr[i]);
}
}


}
}