数组的巩固练习

java / java基础
Word count: 133   |   Reading time≈ 1 min

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这里的x是一维数组,y是二维数组,并且image-20221030170447869是给x和y分别赋值

杨辉三角

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数组的常见算法

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随机数公式image-20221102100629389

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数组的复制

image-20221102102000513数组的复制,循环和查找

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中间变量法,首尾交换法

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二分法查找算法

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排序算法:冒泡排序

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快速排序

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Arrays工具类的使用

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(fill是将数组值全部修改为设定值)

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(这个只能查找已经排序的数组)

数组编写的常见错误

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(空指针异常)

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