class TestIf2
{
public static void main(String[] args)
{
int age=31;
if(age>18){
System.out.println("你已经成年");
}else{
System.out.println("你还未成年");
}
if(age>100||age<0){
System.out.println("你估计不是人");
}else if(age<30){
System.out.println("人家还很年轻,只有"+age+"岁啦~~");
}else{
System.out.println("表追我,我已结婚");
}
}
}原文:http://9815936.blog.51cto.com/9805936/1600139