1.一维数组定义
int [ ] arr =new int[100];
int [ ] arm= {1,2,3,4};
2.二维数组定义
int [ ] [ ] arr = new int [3][4]; //3行4列
int [ ] [ ] arr = new int [3] [ ]; //3行不确定列数
int [ ] [ ] arr = {{1,2},{3,4,5,6},{7,8,9}};
1.一维数组定义
int [ ] arr =new int[100];
int [ ] arm= {1,2,3,4};
2.二维数组定义
int [ ] [ ] arr = new int [3][4]; //3行4列
int [ ] [ ] arr = new int [3] [ ]; //3行不确定列数
int [ ] [ ] arr = {{1,2},{3,4,5,6},{7,8,9}};