System.out.println("第"+(x+1)+"次比较后:"+arrayTostring(arr)); } } /*arrayTostring方法 把已知数组中的元素按照指定的规则组成一个字符串:[元素1,元素2,。。。],需要掌握下面的这个语句代码 */ public static String arrayTostring(int[] arr){ StringBuilder sb=new StringBuilder(); sb.append("[...
int[] arr = {1, 2, 3}; System.out.println(Arrays.toString(arr)); 1. 2. 运行的结果是: 2.Arrays.sort()方法 作用:给数组排序,默认是升序的。 int[] arr = {5, 2, 3, 1, 4}; Arrays.sort(arr); System.out.println(Arrays.toString(arr)); 1. 2. 3. 运行结果是: Arrays.sort(数组...
// Apache common langint[] arr= {1,2,3,4,5};int[] removed = ArrayUtils.removeElement(intArray,3);//create a new arraySystem.out.println(Arrays.toString(removed))
Returns a string representation of the contents of the specified array. If the array contains other arrays as elements, they are converted to strings by the Object#toString method inherited from Object, which describes their identities rather than their contents. The value returned by this method ...
toString(Object[] a):将数组对象的内容转换转换成字符串。 deepToString(Object[] a):可以将多维数组对象的内容转换转换成字符串。 示例: public static void main(String[] args) { int[][] arrayObject = {{1, 2}, {2, 3}, {3, 4}, {4, 5}, {5, 6}}; ...
array.deepXXX()方法适用于数组中含有另一个数组的情况:Array.toString方法当接受的数组中还有数组时打印出的仅是该内嵌数组的名字,Array.deepToString方法会将内嵌数组的内容也打印出来,不管数组内嵌多少层,都会循环递归到最内层的数据.另外,当数组中的数组有死循环般的引用时,也有相应的保护机制防止死循环...
Arrays.toString() 对于一维数组: String[] arrayStr =newString[]{"Java","Node","Python","Ruby"};System.out.println(Arrays.toString(arrayStr)); Output :[Java, Node, Python, Ruby] 对于二维数组: String[][] arrayStr =newString[][]{{"JAVA","Node","Python"},{"C","C++","Objective-C...
It returns"null"ifthe specified arrayisnull. 例: Let us suppose that we are making a2-D array of3rowsand3column.234567249If use deepToString() method toprintthe2-D array, we will getstringrepresentation as :-[[2,3,4], [5,6,7], [2,4,9]] ...
int[]numbers={100,200,300,400,500};intnewSize=numbers.length;// 复制数组并指定新的长度int[]copiedArray=Arrays.copyOf(numbers,newSize);System.out.println(Arrays.toString(copiedArray));// 输出: [100, 200, 300, 400, 500]String[]objectArray={"A","B","C","D","E","F","G"};intst...
3.Arrays工具类中toString静态方法遍历 3.1.程序: 运行结果: 注释: 3.2.Arrays.deepToString()与Arrays.toString()的区别 – 示例: – 结果: 3.3.Arrays 类 3.4. Java中对Array数组的常用操作 示例: 打印结果: 题目描述 给一个数组: 代码语言:javascript ...