集册 Java实例教程 为未初始化的数组元素获取空点异常

为未初始化的数组元素获取空点异常

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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为未初始化的数组元素获取空点异常

//

// This program compiles but won't run successfully./** 来 自 N o w  J a v a  .   c o m**/

//

public class WhatHappens {

    public static void main(String[] args) {

        StringBuffer[] stringBuffers = new StringBuffer[10];


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

            stringBuffers[i].append("StringBuffer at index " + i);

        }

    }

}


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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

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