++++ 按照书本打一程序,报错,请帮忙 ++++
文件名:sample.java
import java applet.*;
import java awt.*;
public class sample
{
public sample(int i)
{
int result=test(i);
System.out.println(i);
System.out.println(result);
}
protected int test(int a)
{
return ++a;
}
}
class doSample
{
public static void main(String args[])
{
sample r=new sample(3);
System.out.println("This is the result!");
}
}