This new method not only saves time but also saves energy（）operating on two batteries instead of four...

第1题

[单选题] 程序： class MyDate{ private int year； private int month； private int day； public MyDate（int year，int month，int day）{ this.year=year； this.month=month； this.day=day； } //Override Method } 为了让new MyDate（1980，11，9）==new MyDate（1980，11，9）返回true，必须在Override Method处覆盖哪个方法？（）

A、 hashCode B、 equals C、 toString D、 notify

点击查看答案

第2题

[] A System p adminstrator must recover user information from a system that will not successfully boot. Which of the following install methods will accomplish this （）

A、A.Preservation B、B.Migration C、C.New and complete overwrite D、D.Repair

点击查看答案

第3题

[单选题] 程序： class MyDate{ private int year； private int month； private int day； public MyDate（ int year， int month，int day）{ this.year=year； this.month=month； this.day=day； } //Override Method } 为了让new MyDate（1980，11，9）==（判断是否相等）new MyDate（1980，11，9）返回true，必须在Override Method处覆盖哪个方法？（）

A、 hashCode B、 equals C、 toString D、 notify

点击查看答案

第4题

[单选题] Which method listed below is acceptable by classification society to perform hose testing to weather tight hatch covers and closing appliances（）

A、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm. B、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 3,5 kgf/cm2. The nozzle diameter is not to be less than 5mm. C、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 4,0 kgf/cm2. The nozzle diameter is not to be less than 8mm. D、This is to be carried out at a maximum distance of 2,0m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.

点击查看答案

第5题

[单选题] When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error（）。