数据的截尾与舍入
在将float或double转型为整型值时,总是对该数字执行截尾,如下例:
public class CastingNumbers{
public static void main(String[] args){
double above = 0.7,below = 0.4;
float fabove = 0.7f, fbelow = 0.4f;
System.out.println("(int)above: " + (int)above);
System.out.println("(int)below: " + (int)below);
System.out.println("(int)fabove: " + (int)fabove);
System.out.println("(int)fbelow: " + (int)fbelow);
}
}