上代码：public class Father { private void f1(){ System.out.println("Father f1()"); } void f2() { System.out.println("Father f2()"); } public static void main(String[] a

float > long 即float表示范围比long大先看一下它们能表示的范围public class EqualsTest1 { public void equals1() { long lx = 40; float fx = 40.1f; System.out.println("float len = "+Float.SIZE); System.out.