算术运算 这段程序会印出什么结果? int testNumber =10 System. out. println(testNumber /3)i 使用下面的方法 int testNumber =l0; System. out. println(testNumber /3.0)i System. out. println((double) testNumber /3)i算术运算 • 这段程序会印出什么结果？ • 使用下面的方法 int testNumber = 10; System.out.println(testNumber / 3); int testNumber = 10; System.out.println(testNumber / 3.0); System.out.println((double) testNumber / 3);