From afcd72c07ebfa50a50d6263b7e6b98ab311cac0c Mon Sep 17 00:00:00 2001 From: xuxin <840198532@qq.com> Date: Thu, 30 Jul 2026 13:55:20 +0800 Subject: [PATCH] =?UTF-8?q?s-day01-System=E4=B8=AD=E7=9A=84arrayCopy?= =?UTF-8?q?=E6=96=B9=E6=B3=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../src/com/inmind/system06/SystemDemo16.java | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 s-day01/src/com/inmind/system06/SystemDemo16.java diff --git a/s-day01/src/com/inmind/system06/SystemDemo16.java b/s-day01/src/com/inmind/system06/SystemDemo16.java new file mode 100644 index 0000000..76ba5fa --- /dev/null +++ b/s-day01/src/com/inmind/system06/SystemDemo16.java @@ -0,0 +1,34 @@ +package com.inmind.system06; +/* +System中的arrayCopy方法 + +static void arraycopy(Object src, int srcPos, Object dest, int destPos, int length) +将指定源数组中的数组从指定位置复制到目标数组的指定位置。 +参数一src :表示源数组 +参数二srcPos:表示源数组的索引位置 +参数三dest:表示目标数组 +参数四destPos:表示目标数组的索引位置 +参数五length:长度 + +将src数组中前3个元素,复制到dest数组的前3个位置上 +复制元素前: + src数组元素[1,2,3,4,5], + dest数组元素[6,7,8,9,10] +复制元素后: + src数组元素[1,2,3,4,5], + dest数组元素[1,2,3,9,10] +*/ +public class SystemDemo16 { + /* + 复制元素前: + src数组元素[1,2,3,4,5], + dest数组元素[6,7,8,9,10] +复制元素后: + src数组元素[1,2,3,4,5], + dest数组元素[6,7,2,3,4] + */ + public static void main(String[] args) { + //static void arraycopy(Object src, int srcPos, Object dest, int destPos, int length) + + } +}