2025年上海软件面试试题及答案

上海软件面试试题及答案姓名：____________________

一、选择题（每题2分，共20分）

1.以下哪个选项是Java中的基本数据类型？

A.String

B.Integer

C.float

D.boolean

2.在Java中，以下哪个关键字用于声明一个类？

A.class

B.interface

C.extends

D.implements

3.以下哪个操作符用于获取一个字符串的长度？

A.length()

B.size()

C.count()

D.length

4.在Java中，以下哪个关键字用于声明一个方法？

A.function

B.method

C.procedure

D.define

5.以下哪个方法用于检查一个字符串是否为空？

A.isEmpty()

B.isNull()

C.isBlank()

D.isNone()

6.在Java中，以下哪个关键字用于声明一个变量？

A.var

B.let

C.const

D.val

7.以下哪个方法用于将一个字符串转换为整数？

A.parseInt()

B.toInteger()

C.int()

D.convert()

8.在Java中，以下哪个关键字用于声明一个接口？

A.interface

B.abstract

C.class

D.extends

9.以下哪个操作符用于获取一个数字的绝对值？

A.abs()

B.absval()

C.absolute()

D.absval

10.在Java中，以下哪个关键字用于声明一个数组？

A.array

B.list

C.vector

D.arraylist

二、填空题（每题3分，共30分）

1.在Java中，声明一个整型变量的语法是：__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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四、编程题（每题20分，共40分）

1.编写一个Java程序，实现一个简单的计算器，该计算器可以接收用