源程序: package javaquestions; public class JavaQuestion20160726 { public static void main(String[] args) { for (int i = 0; i++ < 10; System.out.println(i)) { } System.out.println("------------------------------------"); for (int i = 0; i < 10; i++, System.out.println(i)) { } System.out.println("------------------------------------"); int i = 0; for (System.out.println("Part 1: " + i);;System.out.println("Part 3: " + ++i)) { if (i == 5) break; } System.out.println("------------------------------------"); for (;;); //这是个无限循环。 } }