上海軟件面試試題及答案姓名：____________________

一、選擇題（每題2分，共20分）

1.以下哪個選項是Java中的基本數(shù)據(jù)類型？

A.String

B.Integer

C.float

D.boolean

2.在Java中，以下哪個關(guān)鍵字用于聲明一個類？

A.class

B.interface

C.extends

D.implements

3.以下哪個操作符用于獲取一個字符串的長度？

A.length()

B.size()

C.count()

D.length

4.在Java中，以下哪個關(guān)鍵字用于聲明一個方法？

A.function

B.method

C.procedure

D.define

5.以下哪個方法用于檢查一個字符串是否為空？

A.isEmpty()

B.isNull()

C.isBlank()

D.isNone()

6.在Java中，以下哪個關(guān)鍵字用于聲明一個變量？

A.var

B.let

C.const

D.val

7.以下哪個方法用于將一個字符串轉(zhuǎn)換為整數(shù)？

A.parseInt()

B.toInteger()

C.int()

D.convert()

8.在Java中，以下哪個關(guān)鍵字用于聲明一個接口？

A.interface

B.abstract

C.class

D.extends

9.以下哪個操作符用于獲取一個數(shù)字的絕對值？

A.abs()

B.absval()

C.absolute()

D.absval

10.在Java中，以下哪個關(guān)鍵字用于聲明一個數(shù)組？

A.array

B.list

C.vector

D.arraylist

二、填空題（每題3分，共30分）

1.在Java中，聲明一個整型變量的語法是：__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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四、編程題（每題20分，共40分）

1.編寫一個Java程序，實現(xiàn)一個簡單的計算器，該計算器可以接收用