帮忙看看错在哪里!!!
abstract class Test
{
public abstract int addition();
public abstract int subtration();
public abstract int multiplication();
public abstract int division();
}
class OverloadTest extends Test
{
public int addition(int x, int y)
{
return x + y;
}
public int subtration(int x, int y)
{
return x - y;
}
public int multiplication(int x, int y)
{
return x * y;
}
public int division(int x, int y)
{
return x / y;
}
public static void main(String[] args)
{
private int x = 10;
private int y = 10;
addition(x, y);
subtration(x, y);
multiplication(x, y);
division(x ,y);
}
}
编译有错 请大家看看错在哪里