45 java staticキーワード
690 ワード
package com.wjl.zy131228;
/*
static , Field、 、
static 。static ,
C# Field, i Field, Field
* */
public class ClassMember {
public static void test()
{
System.out.println("static ");
}
public void show()
{
System.out.println(" ");
}
public static void main(String[] args) {
// ClassMember null
ClassMember member1=null;
member1.test();//static
/*
null
* */
// java.lang.NullPointerException
// member1.show();
/*
null , , , Field
*/
}
}