21 lines
710 B
Java
21 lines
710 B
Java
package com.inmind.array01;
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/*
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数组的异常_角标越界异常
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ArrayIndexOutOfBoundsException:
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数组 索引 越界 异常
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注意：数组中长度是固定的，数组的最大索引值，数组长度-1,数组.length - 1就是最大门牌号，
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0-数组.length - 1的门牌才能正确操作数组，否则ArrayIndexOutOfBoundsException
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*/
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public class Demo03 {
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public static void main(String[] args) {
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double[] arr = new double[3];
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System.out.println(arr);//地址
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System.out.println(arr[0]);//0.0
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System.out.println(arr[1]);
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System.out.println(arr[2]);
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System.out.println(arr[3]);
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System.out.println(arr[4]);
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}
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}
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