已经定义了但是调用不了页码，求大神救一下

Question

package wzm;

class Book{
	public static double jiage;
	String shuming;
	String shuhao;
	String zhubian;
	String chubanshe;
	String chubanshijian;
	private int yema;
	public void yema1(int a)
	{
		if(a>249) {
			yema=a;
		}
		else 
			System.out.println("页码不允许小于250页");
		
	}
	public void xieru() {
		jiage=49.81;
		shuming="Java语言程序设计使用教程";
		shuhao="ISBN 978-7-5682-0745-4";
		zhubian="陈艳萍,徐受荣";
		chubanshe="北京理工大学出版社有限公司";
		chubanshijian="2015.6";
		yema1=(250);
		
	}
		public void xianshi(){
		System.out.println("书名:"+shuming);
		System.out.println("书号:"+shuhao);
		System.out.println("主编:"+zhubian);
		System.out.println("出版社:"+chubanshe);
		System.out.println("出版时间:"+chubanshijian);
		System.out.println("价格:"+jiage);
		System.out.println("页码:"+yema);
	}

}

public class wzm_01 {
	public static void main(String[] args) {
		Book b=new Book();
		b.xieru();
		b.xianshi();
		
	}

}

使用不了那个页码，yemal=250,求大神救一下

Answer 1

yema1=(250);这行代码写错了，改为如下：

yema1(250);