package com.kk.java;
public class TestArray1 {
public static void main(String[] args) { //对于基于基本数据类型的变量创建的数组:byte short int long float double char boolean //1、对于byte short int long而言:创建数组后,元素默认为0 int[] scores = new int[4]; scores[0] = 77; scores[3] = 88; for(int i = 0;i < scores.length;i++) { System.out.println(scores[i]); } //2、对于float double而言:默认值为0.0 float[] f = new float[3]; for(int i = 0;i < f.length;i++) { System.out.println(f[i]); } //3、对于char而言:默认为空格 char[] c = new char[3]; c[2] = 'd'; for(int i = 0;i < c.length;i++) { System.out.println(c[i]); } //4、对于boolean而言:默认为false //5、对于引用类型的变量构成的数组:默认初始化值为null String[] strs = new String[4]; strs[0] = "AA"; strs[1] = "BB"; strs[3] = "DD"; for(int i = 0;i < strs.length;i++) { System.out.println(strs[i]); } }}