dulei17816的博客

public class HelloA { static { System.out.println("A static"); } { System.out.println("A code block"); } public HelloA(){ System.out.println("A construst"...

float naN = Float.NaN; System.out.println("NaN is " + Math.round(naN)); System.out.println("10.46 is " + Math.round(10.46)); System.out.println("10.5 is " + Math.round(10.5)); System.out.printl...