初学者,希望大侠帮忙~~~~~!

05-09-11 zeng2814

/*
*测试传值引用
*/
public class ValueReference
{
int = 10;
public static void main(String[]args)
{
ValueRference aValue = new ValueReference();
aValue.print();
}
public void print()
{
int b = a;
System.out.println("before changed value a = " + a + " , b = " +a);
a=30;
System.out println("after chang value a = " + a + " , b = " + b);
}
}



这个程序编译时怎么老出错呀
大哥哥大姐姐帮帮我呀