Java打印数组偶数位置的元素
在此程序中,我们需要打印出现在偶数位置的元素。甚至可以通过遍历数组并将i的值增加2来找到定位的元素。
在上面的数组中,偶数位置的元素是b和d。
算法
步骤1: START
步骤2: 初始化arr [] = {1、2、3、4、5}
步骤3: 打印"给定数组的元素出现在偶数位置: "
步骤4: for(i = 1; i < arr.length; i=i + 2)重复步骤5
步骤5: 打印 arr[i]
步骤6: END
程序:
public class EvenPosition {
public static void main(String[] args) {
//Initialize array
int [] arr = new int [] {1, 2, 3, 4, 5};
System.out.println("Elements of given array present on even position: ");
//Loop through the array by incrementing value of i by 2
//Here, i will start from 1 as first even positioned element is present at position 1.
for (int i = 1;i <arr.length;i = i+2) {
System.out.println(arr[i]);
}
}
}
输出:
Elements of given array present on even position:
2
4