bubble.java

这是一个简单的排序的程序

//file name: Bubble.java  冒泡排序
import java.io.*;
public class Bubble
{
	public static void main(String args[])
	{
		int[] a=new int[10];
		System.out.print("How many datas you want to sort:");
		try
		{
			BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
			int n=Integer.parseInt(br.readLine());
			System.out.println("Input the dadas:");
			for(int i=0;i<n;i++)
			{
			    a[i]=Integer.parseInt(br.readLine());
			}
			sort(a);
		}
		catch(IOException e){System.out.println("IO error!");}
		catch(NegativeArraySizeException e){System.out.println("Array error!");}
		catch(IllegalArgumentException e){System.out.println("IlleagalArgument error!");}
		System.out.println();
		for(int i=0;i<a.length;i++) 
		{  System.out.print(a[i]+" "); }
    }
	public static void sort(int a[])
	{
		for(int i=0;i<a.length-1;i++)
           for(int j=a.length-1;j>i;j--) 
              if(a[j]<a[j-1])
              {	int temp=a[j]; a[j]=a[j-1]; a[j-1]=temp; }
    }
}