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【单选题】
以下哪些修饰符可以使变量对于任何其他类都是不可视的，包括子类（）
A.
private
B.
public
C.
final
D.
abstact
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举一反三
【单选题】若整型变量a、b、c、d中的值依次为2、2、3、4，则条件表达式a<B?A：C<D?C：D的值是(&NBSP;&NBSP;&NBSP; )。
A.
1
B.
2
C.
3
D.
4
【单选题】(B) What Is World English World English is a course in the English language. It is intended for students whose native language is not English. It is a basic programme consisting of six s...
A.
Books One and Two
B.
Books Three and Four
C.
Books Five and Six
D.
none of them
【单选题】设以下变量均为int类型,则值不等于7的表达式是
A.
(x=y=6, x+y,x+1)
B.
(x=6,x+1,y=6,x+y)
C.
(y=6,y+1,x=y,x+1)
D.
(x=y=6,x+y,y+1)
【单选题】What is World English World English is a course in the English language. It is intended for students whose native lauguage is not English. It is a basic programme consisting of six stages. Each stage ...
A.
What is World English
B.
World English is a course in the English language. It is intended for students whose native lauguage is not English. It is a basic programme consisting of six stages. Each stage includes a Student Book, a Teacher’s Book, a Workbook, and cassette recordings. World English is further supported by separate books of readings, by tests, and by visual (可视的) .
C.
Who is World English for
D.
World English may be entered at any one of three different levels. The First Level, Books One and Two, is intended for students with little or no education in English. Books Three and Four make up the Second Level; they are suitable for students who have some knowledge of English. The Third Level, Books Five and Six, is intended for students who are concerned with improvement in the language.
E.
What does World English teach
F.
World English teaches four basic skills of language: listening, speaking, reading, and writing. At all levels, each skill is presented systematically. In the First Level, listening and speaking receive more attention. In the latter books, reading and writing become more important. However, reading and writing activities are presented even in Unit One of Book One; and listening and speaking exercises occur through Unit Ten of Book Six.
【单选题】设i、j、k是 int 型变量，且i = 3, j = 4, k = 5，则以下值为0的表达式是（ ）。
A.
! ( ( i < j ) && ! k || 1 )
B.
'i' && 'j'
C.
i <= j
D.
i || j + k && j - k
【单选题】下列关于子类和父类关系的叙述中,错误的是( )。
A.
如果一个类没有使用代码继承，则这个类没有父类
B.
Object是所有类的父类
C.
所有类都会直接或间接继承Object
D.
Java中的类既可以是子类也可以是父类
相关题目：
【单选题】若整型变量a、b、c、d中的值依次为2、2、3、4，则条件表达式a<B?A：C<D?C：D的值是(&NBSP;&NBSP;&NBSP; )。
A.
1
B.
2
C.
3
D.
4
【单选题】(B) What Is World English World English is a course in the English language. It is intended for students whose native language is not English. It is a basic programme consisting of six s...
A.
Books One and Two
B.
Books Three and Four
C.
Books Five and Six
D.
none of them
【单选题】设以下变量均为int类型,则值不等于7的表达式是
A.
(x=y=6, x+y,x+1)
B.
(x=6,x+1,y=6,x+y)
C.
(y=6,y+1,x=y,x+1)
D.
(x=y=6,x+y,y+1)
【单选题】What is World English World English is a course in the English language. It is intended for students whose native lauguage is not English. It is a basic programme consisting of six stages. Each stage ...
A.
What is World English
B.
World English is a course in the English language. It is intended for students whose native lauguage is not English. It is a basic programme consisting of six stages. Each stage includes a Student Book, a Teacher’s Book, a Workbook, and cassette recordings. World English is further supported by separate books of readings, by tests, and by visual (可视的) .
C.
Who is World English for
D.
World English may be entered at any one of three different levels. The First Level, Books One and Two, is intended for students with little or no education in English. Books Three and Four make up the Second Level; they are suitable for students who have some knowledge of English. The Third Level, Books Five and Six, is intended for students who are concerned with improvement in the language.
E.
What does World English teach
F.
World English teaches four basic skills of language: listening, speaking, reading, and writing. At all levels, each skill is presented systematically. In the First Level, listening and speaking receive more attention. In the latter books, reading and writing become more important. However, reading and writing activities are presented even in Unit One of Book One; and listening and speaking exercises occur through Unit Ten of Book Six.
【单选题】设i、j、k是 int 型变量，且i = 3, j = 4, k = 5，则以下值为0的表达式是（ ）。
A.
! ( ( i < j ) && ! k || 1 )
B.
'i' && 'j'
C.
i <= j
D.
i || j + k && j - k
【单选题】下列关于子类和父类关系的叙述中,错误的是( )。
A.
如果一个类没有使用代码继承，则这个类没有父类
B.
Object是所有类的父类
C.
所有类都会直接或间接继承Object
D.
Java中的类既可以是子类也可以是父类
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