public class PassReference
{
public static void main(String[] ar)
{
Test c = new Test();
System.out.println("在调用方法inceptReference()之前,c.a的值为:" + c.a);
inceptReference(c);
System.out.println("在调用方法inceptReference()之后,c.a的值为:" + c.a);
} static void inceptReference(Test t)
{
System.out.println("The first value of t.a is:" + t.a);
t.a++;
System.out.println("The second value of t.a is:" + t.a);
}
}class Test
{
public int a = 0;
}
运行结果如下:
java.lang.NoClassDefFoundError: PassReference
Exception in thread "main"
javac PassReference.java
java PassReference
在运行 java Passreference.java
没.java
呵呵