1. 直接赋值:
```java
int[][] array = new int;
array = 1;
array = 2;
array = 3;
array = 4;
array = 5;
array = 6;
array = 7;
array = 8;
array = 9;
2. 使用循环赋值:
```java
int[][] array = new int;
for (int i = 0; i < array.length; i++) {
for (int j = 0; j < array[i].length; j++) {
array[i][j] = i * array[i].length + j + 1;
}
}
3. 使用数组初始化同时赋值:
```java
int[][] array = {
{1, 2, 3},
{4, 5, 6},
{7, 8, 9}
};
4. 使用Java 8的Stream API赋值(虽然这不是常规做法,但可以作为一种有趣的尝试):
```java
int[][] array = new int;
IntStream.range(0, array.length).forEach(i ->
IntStream.range(0, array[i].length).forEach(j -> array[i][j] = i * array[i].length + j + 1)
);
请选择适合您需求的方法来设置二维数组的值