//第一种
int[] arr = { 1, 1, 3, 5, -6, 4, 9, 9, 2 };
Array.Sort (arr);
Console.WriteLine (arr [6]);
//第二种 错误 当arr数组全为负数时，if不会执行
int[] arr = { 1, 1, 3, 5, 6, 4, 9, 9, 2 };
int temp;
for (int i = 0; i < arr.Length; i++) {
if (arr [i] > temp) {
temp = arr [i];
}
}
Console.WriteLine (temp);
//第三种
int[] newArray = { 1, 3, 5, 6, 4, 9, 2 };
int max = newArray [0];
for (int i = 0; i < newArray.Length; i++) {
//当前保存的值不如刚查到的大
if (max < newArray [i]) {
max = newArray [i];
}
}
Console.WriteLine (max);
//第四种
int[] newArray = { 1, 3, 5, 6, 4, 9, 2 };
for (int i = 0; i < newArray.Length - 1; i++) {
for (int j = 0; j < newArray.Length - i - 1; j++) {
if (newArray [j] > newArray [j + 1]) {
int temp = newArray [j];
newArray [j + 1] = newArray [j];
newArray [j] = temp;
}
}
}
Console.WriteLine (newArray [newArray.Length - 1]);
//第五种
int[] newArray = { 1, 3, 5, 6, 4, 9, 2 };
int maxIndex = 0;
int i = 0;
for (i = 0; i < newArray.Length; i++) {
if (newArray [maxIndex] < newArray [i]) {
maxIndex = i;
}
}
Console.WriteLine (newArray [maxIndex]);
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