STRINGstringvalueTWO_D_ARRAYstring[][]gridconvert_to 类图 StringTo2DArray+String input+String[][] convertTo2DArray(String input)+void main(String[] args) 在ER图中,STRING类表示输入的字符串,而TWO_D_ARRAY表示转换后的二维数组,它们之间存在“
publicclassStringTo2DArray{publicstaticvoidmain(String[]args){Stringdata="1,2,3;4,5,6;7,8,9";String[][]result=convertTo2DArray(data,";",",");for(String[]row:result){for(Stringcell:row){System.out.print(cell+" ");}System.out.println();}}publicstaticString[][]convertTo2DArray(St...
public static void main(String[] arg){ //declare and construct a 2D array int[][]uneven= {{1,9,4},{0,2},{0,1,2,3,4}};//print out the array for(int row=0;row<uneven.length;row++){ System.out.print("Row"+row+":");for(int col=0;col<uneven[row].length;col++)System....
public class Print2DArray { public static void main(String[] args) { int[][] array2D = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; for (int i = 0; i < array2D.length; i++) { for (int j = 0; j < array2D[i].length; j++) { System.out.print(array2D[i][j] + "...
问在Java中将2D数组分成4部分的方法EN有许多方法可以做到这一点，其中之一(可能是最安全的！)当然，是...
public class Test2DArray{ public static void main(String[] args){ int[][] array = { {7,4,5,8}, {3,1,6,6}, {88} }; /*===二维数组的length属性===*/ System.out.println("Array length: "+array.length); System.out.println("Array[0] length...
public class Array2D { public static void main(String args[]) { int i , j ; String s[][] ; s = new String[3][] ; s[0] = new String[2] ; s[1] = new String[3] ; s[2] = new String[2] ; for(i=0 ; i for(j=0 ; j ...
[] convertTo2DArray(String input) { // 按行拆分字符串 String[] lines = input.split(" "); // 获取行数 int rowCount = lines.length; // 假设所有行的列数相同,这里以第一行的元素数量为准 String[] firstLineElements = lines[0].split(","); int colCount = firstLineElements.length; //...
lang包:核心包,使用的时候不需要导入;例如String类、Math类、System类 util包:工具包,包含工具类、集合类等,例如Array、List、set等 net包:包含网络编程的类和接口 io:包含输入、输出编程相关的类和接口 text:包含格式化相关的类和接口 sql:数据库操作包 ...
1. Python class Solution: def Find(self, target, array): if array == ([] or [[]]): return False row = len(array) col = len(array[0]) i=0 j=col-1 while 0<=iarray[i][j]: i=i+1 elif target 1.