package?com.imooc; import?java.util.Arrays; public?class?Demo05?{ ????public?static?void?main(String[]?args)?{ ?????int[]?arrays=new?int[4];//?填充數(shù)組 ???????Arrays.fill(arrays,2,4,9);//?將數(shù)組的第3和第4個(gè)元素賦值為9 ???????System.out.println(Arrays.toString(arrays)); ???????int[]?arrays2={9?,8?,7?,6?,5?,4?,3?,2?,1?,0}; ???????Arrays.sort(arrays2,2,7);//?對數(shù)組的第3個(gè)到第7個(gè)進(jìn)行排序 ???????System.out.println(Arrays.toString(arrays2)); ??????Arrays.sort(arrays2);//?對整個(gè)數(shù)組進(jìn)行排序 ??????System.out.println(Arrays.toString(arrays2)); ?????? ????System.out.println("比較數(shù)組元素是否相等:Arrays.equals(array1,?array2):"?+?"\n"http://換行 ????????????+?Arrays.equals(arrays,?arrays2));?//?比較數(shù)組元素是否相等 ????int[]?arrays3=arrays2.clone();/*★★請問這兒克隆數(shù)組報(bào)錯(cuò)是怎么回事?★★ ????報(bào)錯(cuò)信息:Exception?in?thread?"main"?java.lang.Error:?無法解析的編譯問題： 類型不匹配：不能從?Object?轉(zhuǎn)換為?int[] at?com.imooc.Demo05.main(Demo05.java:18)*/ } }