冒泡程序编译成功运行不了
冒泡程序编译成功运行不了，大家帮忙，谢谢程序代码：
public class bubblesort
{
public static void main(String []args)
{
int a[] = {21, 9, 45, 17, 33, 72, 50, 12, 41, 39};
int i;
int j;
int temp;
int k;
for (i=a.length; --i>=0;)
{
for (j=0; j<i; j++)
{
if (a[j] > a[j+i])
{
temp = a[j];
a[j] = a[j +1];
a[j +1] = temp;
}
}
}
for (k=0; k<a.length; k++)
{
System.out.println("a["+ k +"]: " + a[k]);
}
}
}
{
public static void main(String []args)
{
int a[] = {21, 9, 45, 17, 33, 72, 50, 12, 41, 39};
int i;
int j;
int temp;
int k;
for (i=a.length; --i>=0;)
{
for (j=0; j<i; j++)
{
if (a[j] > a[j+i])
{
temp = a[j];
a[j] = a[j +1];
a[j +1] = temp;
}
}
}
for (k=0; k<a.length; k++)
{
System.out.println("a["+ k +"]: " + a[k]);
}
}
}
运行时显示：
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 10
at bubblesort.main(bubblesort.java:15)
[ 本帖最后由 羲和 于 2011-11-12 19:37 编辑 ]
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成功
----------------解决方案--------------------------------------------------------
package org.Myp2;
public class BubbLesor {
public static void main(String[] args) {
int a[] = {21, 9, 45, 17, 33, 72, 50, 12, 41, 39};
int i;
int j;
int temp;
int k;
for (i=a.length-1;i>=0;i--)
{
for (j=0; j<i; j++)
{
if (a[j] < a[j+1])
{
temp = a[j];
a[j] = a[j +1];
a[j +1] = temp;
}
}
}
for (k=0; k<a.length; k++)
{
System.out.println("a["+ k +"]: " + a[k]);
}
}
}
细心一点哦
----------------解决方案--------------------------------------------------------
public static void main(String []args)
{
int a[] = {21, 9, 45, 17, 33, 72, 50, 12, 41, 39};
int i;
int j;
int temp;
int k;
for (i=a.length; --i>=0;) 这里错了。呵呵 --i>=0 是什么哇
{
----------------解决方案--------------------------------------------------------
恩，谢了
----------------解决方案--------------------------------------------------------
ArrayIndexOutOfBoundsException 数组超出异常!!!
----------------解决方案--------------------------------------------------------