Java冒泡排序
public class Sort {
public static void main(String[] args) {
//首先定义一个数组
int[] arrs = { 7, 2, 1, 6, 5, 3, 9, 0 };
String s1 = “”;
for (int i : arrs) {
s1 += i + “,”;
}
System.out.println(“排序前:{” + s1.substring(0, s1.length() – 1) + “}”);
// 最多做n – 1趟排序
for (int i = 0; i < arrs.length – 1; i++) {
// 对当前无序的区间进行排序
// arrs[0,1,…,arrs.length – i – 1]
for (int j = 0; j < arrs.length – i – 1; j++) {
if (arrs[j] > arrs[j + 1]) {
int temp = arrs[j];
arrs[j] = arrs[j + 1];
arrs[j + 1] = temp;
}
}
}
String s2 = “”;
for (int i : arrs) {
s2 += i + “,”;
}
System.out.println(“排序后:{” + s2.substring(0, s2.length() – 1) + “}”);
}
}