# CS61B HW0 - Array elements 比大小
###### tags: `Java` `Practice`
```
package cs61b;
public class ArrayMax {
// return the max value from the array.
public static int max(int[] m) {
int MAX = 0;
for (int i = 0; i < m.length; i++) {
if (m[i] > MAX) {
MAX = m[i];
}
else {
}
}
return MAX;
}
public static void main(String[] args) {
int[] numbers = new int[] {9, 2, 15, 2, 22, 10, 6};
System.out.println(max(numbers));
}
}
```
1. 設定一個假想的最大值為MAX,初始值為0,並利用for loop traverse整個陣列逐一與MAX比較,若比它大則取代為新的MAX值
2. 最後呼叫該method並print結果出來即可