一、强制类型转换
[java] long ll = 300000;
int ii = (int)ll;
二、调用intValue()方法
[java] long ll = 300000;
int ii= new Long(ll).intValue();
三、先把long转换成字符串String，然后在转行成Integer [java]
long ll = 300000;
int ii = Integer.parseInt(String.valueOf(ll));
[java] view plaincopyprint?