package com.sxt.arraytest1;

import java.util.Arrays;

/*

 * 一维数组

 */

public class ArrayTest2 {

    public static void main(String[] args) {

        //动态初始化

        int[] arr1 = new int[5];

        System.out.println(Arrays.toString(arr1));//初始化为0:[0, 0, 0, 0, 0]

        String[] s = new String[3];//初始化为null：[null, null, null]

        System.out.println(Arrays.toString(s));

        //静态初始化1

        int[] arr2 = {1,3,4,5,7};

        System.out.println(Arrays.toString(arr2));

        //静态初始化2

        int[] arr3 = new int[]{2,3,5,6,7};

        System.out.println(Arrays.toString(arr3));

        //一维数组的遍历方式一:可以操作下标

        for(int i=0; i<arr3.length; i++){

            System.out.print(arr3[i]+" ");

        }

        System.out.println();

        //一维数组的遍历方式二:增强for循环 简单

        for(int num: arr3){

            System.out.print(num + " ");

        }

    }

}