2025年上海軟件面試試題及答案

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(gè)選項(xiàng)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(gè)關(guān)鍵字用于聲明一個(gè)類？

A.class

B.interface

C.extends

D.implements

3.以下哪個(gè)操作符用于獲取一個(gè)字符串的長度？

A.length()

B.size()

C.count()

D.length

4.在Java中，以下哪個(gè)關(guān)鍵字用于聲明一個(gè)方法？

A.function

B.method

C.procedure

D.define

5.以下哪個(gè)方法用于檢查一個(gè)字符串是否為空？

A.isEmpty()

B.isNull()

C.isBlank()

D.isNone()

6.在Java中，以下哪個(gè)關(guān)鍵字用于聲明一個(gè)變量？

A.var

B.let

C.const

D.val

7.以下哪個(gè)方法用于將一個(gè)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(gè)關(guān)鍵字用于聲明一個(gè)接口？

A.interface

B.abstract

C.class

D.extends

9.以下哪個(gè)操作符用于獲取一個(gè)數(shù)字的絕對(duì)值？

A.abs()

B.absval()

C.absolute()

D.absval

10.在Java中，以下哪個(gè)關(guān)鍵字用于聲明一個(gè)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(gè)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(gè)Java程序，實(shí)現(xiàn)一個(gè)簡單的計(jì)算器，該計(jì)算器可以接收用