1. 下面程序的运行结果是( ) public static void main( string[ ] args ) { int x = 30; int [ ] numbers = new int[x]; x = 60; system.out.println( numbers.length ) ; }
下面创建数组的语句不正确的是( )
数组a的第三个元素表示为 ( )
执行完代码" int [ ] x = new int[25] ; "后,下面选项哪个是正确的( )
一个数组可以存放许多不同类型的数值。
声明数组时,要指定数组长度,以便为数组分配内存。
声明一个数组int arr[] = new int[5]; 代表这个数组长度为5,数组元素下标的使用范围是0-4。
数组创建后其大小可以改变。
数组下标访问超出索引范围时抛出数组越界异常。
下列是方法定义的形参表,定义形式正确的是( )。
若有以下调用语句,则正确的fun()方法头部是( )。 public static void main(string args[]) { float x; int a; ……. fun( a, x ); }
关于方法的参数以下说确的是( )。
属于main()方法的返回类型是( )
若有方法定义: staitc int fun(int num){ return 2 * num ; } 以下调用语句正确的是( )。
java语言规定,应用程序开始执行点是main()方法。
方法体内,有返回数值时需要使用return 语句。
方法体内,如果没有return语句,应该将方法头声明为null。
方法内部定义的变量是局部变量。
法内的局部变量不需要赋初始值就可以使用,系统会自动赋默认的初始值。
调用方法时,实参要与定义的形参类型、个数和顺序一致。
以下对于构造方法说确的是 ( )
以下关于构造方法表述错误的是( )
以下关于java中的方法重载说法错误的是( )
static修饰符的作用表述错误的是( )
阅读以下程序,下列选项错误的是( ) public class xclass { private int u; private double w; public xclass(){ } public xclass(int a, double b){ } private void func(){ } public void print(){ } }
to spell the past form of the following words when used as verbs, to which one should we first add –k- then -ed?
guests ______ and screamed when the bomb exploded.
of the following words, the underlined part of which one is pronounced differently in american english and in british english?
how is the word schedule pronounced in american english?
the discovery of penicillin, famously, was a happy ______.
they are looking for a happy ______: a house that is not too big but that has lots of storage space.
i wish you many happy ______ of the day.
until his appointment becomes official, ted is keeping a low ______.
a tiger ______ but a wolf ______.
to clean the water bottle which has been used for a long time, white vinegar can be used to remove ______ from the inner surface of the bottle.
the map is drawn to the standard ______ of 1/100,000 so there is not much detail.
nuclear weapons cause destruction on a massive ______.
the sails ______ themselves with wind.
the book is ______. you should have returned it to the library last week.
he had lived illegally in the united states for five years after his visitor's visa ______.
he tried to keep a(n) ______ between work and relaxation.
she ______ her balance and fell.
the cost needs to be balanced ______ its benefits.
the garden is overgrown with ______, so i have to ______ it now.
both parents and children should try to______ the generation gap between them.
monkey king ______ his eyes and looked afar.
what is the meaning of the word sharp in the sentence “there is a sharp contrast between the lives of the poorest and the richest members of society”?
what is the meaning of the word sharp in the sentence “there is a sharp turn on the road ahead”?
what is the meaning of the word sharp in the sentence “she is a very sharp dresser”?
______ and simple clothes are appropriate for school wear.
surely you can see what's wrong; it's as plain as the ______ on your face.
every girl in town admires her for her ______ figure.
look at the lovely ______ cheeks of the baby!
works of art and priceless ______ records were ruthlessly destroyed in the war.
their inventions have contributed to the development of ______ engineering.
we bought a all car for ______ reason.
there is nothing in the world ______ teaches us some lessons.
he is nothing ______ a singer.
i'm not going to _______ his signature for you! what do you take me for?
the term ‘cardboard city’ was ______ to describe communities of homeless people living in cardboard boxes.
determined to live ______ someday, he managed to get trained in iron molding.
the reality star and her boy-friend have officially ended their five month romance. she claimed yesterday that they parted ______.
13. the boxer beat his wife _______ at home and was then caged for life.
every morning she ______ her huand’s shirt before he goes to work.
sure, you convinced mom to stop those boring violin lessons! but that makes it easier for her to send us to sunday school. don't you realize we've jumped out of the frying ______ into the fire?
______ is a unit for measuring length which equals to 10 meters.
a _______ is a cycle with three wheels, two at the back and one at the front or sometimes otherwise. a. monocycle b. bicycle c. tricycle d. car
20. ______ is the state or custom of being married to only one person at a particular time.
the two sides of a coin are known as ‘______’ and ‘tail’.
i've always been good at math—i guess i just have a ______ for numbers.
when the boss learned tom had been lying, he fired him _______ the spot.
i have to set numerous alarms for the morning because i sleep like a _______ every night!
kim is staying for dinner, and he eats like a _______, so you’d better make some extra food.
vast sums of money were ______ up in the stock market.
those books were normally kept under______ and key in the library.
it's not a(n) ______ that none of the directors are women.
______ is used as a default form of address for women regardless of marital status.
it is not a good idea to miss meals and ______ them with snacks.
in greek mythology, narcissus fell in love with his own ______ in the lake.
darwin's theories about evolution were ______ by many people who believe in god.
mahatma gandhi, the leader of the indian independence movement, ______ the use of violence.
human beings have ______ noses and ears.
good ________ make good neighbors.
he has hired one of the uk’s top lawyers to ______ him against the allegations.
he should think before he speaks, or else he will ______ others.
our boss is not willing to pay the standard wage for the help in our office. so we have to scrape the bottom of the ______ and end up hiring secretaries who can't type or spell.
a ______ of birds flew towards us slowly from far away.
she does the ______ teaching jobs but nothing permanent.
he's always at ______ with his father over politics.
we have an edge over the other team in height, so i'd say the ______ are in our favor.
the police are keeping the suspects under ______.
the word “babysit” comes from its noun form “babysitter” via ______.
the term “mooc” is a(n) ______ for “massive open online course”.
dad still has a bit of his cold, but ______ all are well.
i have no ______ for jane. it's all her own fault.
mr. smith died of cancer in 1996. his wife ______ him by 10 years and passed away in 2006.