public class liti401 {
public static void main(String args[]) {
System.out.println("数组排序!");
int a[] = new int[20];
int t = 0;
for (int i = 0; i < 20; i++)// 随机生成20个0-100的数
{
a[i] = (int) (Math.random() * 100);
}
System.out.print("原数组为:");
for (int i = 0; i < 20; i++) {
System.out.print(a[i] + " ");
}
System.out.println();
for (int i = 0; i < 19; i++)//
冒泡排序 {
for (int j = i; j < 20; j++) {
if (a[i] > a[j]) {
t = a[i];
a[i] = a[j];
a[j] = t;
}
}
}
for (int i = 0; i < 20; i++) {
System.out.print(a[i] + " ");
}
}
}