publicclassTest...{//类中可以存在非static块,该块在构造函数前执行。...{System.out.println("fristnon-static");}...{System.out.println("secondnon-static");}...{System.out.println("thridnon-static");}publicTest()...{System.out.println("construct");}publicTest(Stringt)...{System.out.println("argumentconstruct");}publicstaticvoidmain(String[]args)...{newTest();newTest("");}}