erDiagram MULTIDIMENSIONAL_ARRAY { int index } IS_ARRAY || IS_NOT_ARRAY IS_ARRAY { bool isArray bool isNested } IS_NOT_ARRAY { bool isArray } MULTIDIMENSIONAL_ARRAY || IS_ARRAY : "1" -- "0..1" MULTIDIMENSIONAL_ARRAY || IS_NOT_ARRAY : "1" -- "0..1" 结尾 通过以上步骤和代码...
// 3-D array with varied-length vectors: int[][][] a3 = new int[pRand(7)][][]; for(int i = 0; i < a3.length; i++) { 120 a3[i] = new int[pRand(5)][]; for(int j = 0; j < a3[i].length; j++) a3[i][j] = new int[pRand(5)]; } for(int i = 0; i ...
publicclassMultiDimensionalArrayTraversal{publicstaticvoidmain(String[]args){int[][]array={{1,2,3},{4,5,6},{7,8,9}};intm=array.length;// 行数intn=array[0].length;// 列数for(inti=0;i<m;i++){for(intj=0;j<n;j++){intsquare=array[i][j]*array[i][j];System.out.println("...
2) int [][] intB=new int[3][5]; (存储三个一位数组,每个一维数组的length is 5.) 3) int []intC []=new int[3][]; (声明了一个two-dimensional array,它可以存放三个一维数组,但是每个一维数组可以存放多少数据,不知道,需要看下面的定义才能知道。) intC[0]=new int[2]; intC[1]=...
一维数组(one-dimensional array )实质上是相同类型变量列表。要创建一个数组,你必须首先定义数组变量所需的类型。通用的一维数组的声明格式是: type var-name[ ]; 获得一个数组需要2步。第一步,你必须定义变量所需的类型。第二步,你必须使用运算符new来为数组所要存储的数据分配内存,并把它们分配给数组变量。这...
Example: 2-dimensional Array class MultidimensionalArray { public static void main(String[] args) { // create a 2d array int[][] a = { {1, 2, 3}, {4, 5, 6, 9}, {7}, }; // calculate the length of each row System.out.println("Length of row 1: " + a[0].length); Sys...
7.8 Case Study: Class GradeBook Using an Array to Store Grades 219 7.9 Multidimensional Arrays 223 7.10 Case Study: Class GradeBook Using a Two-Dimensional Array 226 7.11 Variable-Length Argument Lists 230 7.12 Using Command-Line Arguments 232 7.13 Class Arrays 233 7....
7．9 Multidimensional Arrays 223 7．10 Case Study： Class GradeBook Using a Two-Dimensional Array 226 7．11 Variable-Length Argument Lists 230 7．12 Using Command-Line Arguments 232 7．13 Class Arrays 233 7．14 Introduction to Collections and Class ArrayList 235 7．15 (Optional) GUI an...
7.10 Case Study: Class GradeBook Using an Array to Store Grades 7.11 Multidimensional Arrays 7.12 Case Study: Class GradeBook Using a Two-Dimensional Array 7.13 Variable-Length Argument Lists 7.14 Using Command-Line Arguments 7.15 Class Arrays 7.16 Introduction to Collections and Class ...