Collection 与iterator接口
类别: JAVA教程 
import java.util.*;
/**
* Collection 与iterator接口
*
*
**/
public class TestCollection
{
public static void main(String args[])
{
ArrayList v = new ArrayList();
int b = 0;
System.out.println(\"please input the number:\");
while(true)
{
try
{
b = System.in.read();
}
catch(Exception e)
{
e.printStackTrace();
}
if(b==\'/r\' || b==\'/n\')
{
break;
}
else
{
int num = b -\'0\';
v.add(new Integer(num));
}
}
int sum = 0;
Iterator e = v.iterator();
while(e.hasNext())
{
Integer intObj = (Integer)e.next();
sum += intObj.intValue();
}
System.out.println(sum); }
}
/**
* Collection 与iterator接口
*
*
**/
public class TestCollection
{
public static void main(String args[])
{
ArrayList v = new ArrayList();
int b = 0;
System.out.println(\"please input the number:\");
while(true)
{
try
{
b = System.in.read();
}
catch(Exception e)
{
e.printStackTrace();
}
if(b==\'/r\' || b==\'/n\')
{
break;
}
else
{
int num = b -\'0\';
v.add(new Integer(num));
}
}
int sum = 0;
Iterator e = v.iterator();
while(e.hasNext())
{
Integer intObj = (Integer)e.next();
sum += intObj.intValue();
}
System.out.println(sum); }
}
