importjava.util.Scanner;publicclassDynamic2DArrayInput{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);// 输入行数System.out.print("请输入行数: ");introws=scanner.nextInt();// 声明一个二维数组int[][]array=newint[rows][];// 输入每一行的列数和元素for(inti=0;i<row...
1、声明并初始化二维数组 int [][]yanghui=new int[10][]; //2、给数组的元素赋值 for(int i=0;i<yanghui.length;i++){ yanghui[i]=new int[i+1]; //2.1给首末元素赋值 yanghui[i][0]=1; yanghui[i][i]=1; //2.2给非首末元素赋值 if(i>1){ for(int j=1;j<yanghui[i].length...
Object array[][] = new Object[3][3];array[0] = new Object[3];for(int i = 0; i<array.length; i++) array[0][i] = new Object();
Scanner sc=new Scanner(System.in);//实例化Scanner对象 int studentScore=sc.nextInt();//接收用户输入的Int型数据 1. 2. 3. 只需要用到两个for循环进行嵌套,用户依次输入数据存入数组; 下面是具体的代码: import java.util.Scanner; public class Test08 { public static void main(String[] args) { in...