Double类型的变量可以使用compareTo()方法比较大小,比如:
public class DoubleDemo {
public static void main(String[] args) {
// compares two Double objects numerically
Double obj1 = new Double("8.5");
Double obj2 = new Double("11.50");
int retval = obj1.compareTo(obj2);
if(retval > 0) {
System.out.println("obj1 is greater than obj2");
}
else if(retval < 0) {
System.out.println("obj1 is less than obj2");
}
else {
System.out.println("obj1 is equal to obj2");
}
}
}