网院作业 发表于 2017-10-31 17:02:56

（答案资料）电子科技大学17秋《面向对象程序设计》在线作业1

??.鍚?r)瑰(tm)ㄦ?鍔?版??剁??规硶鏄?
A.add()作业

B.insert()
C.hill()
D.set()
姝ｇ?r)绛&quot妗堬1/4欰?″垎?/4?鍒?
2.瀵逛簬catch瀛愬彞鐨&quot鎺鍒?/4屼笅鍒鏄??纭(r)鐨&quot銆?
A.鐖剁?鍦ㄥ...堬1/4屽瓙绫&quot鍦ㄥ悗
B.瀛愮?鍦ㄥ...堬1/4岀埗绫&quot鍦ㄥ悗
C.鏈夌&quotф壙?..崇?鐨&quot?/4傚父涓嶈?/2鍦ㄥ悓涓?釜try?&quot鏋&quot绋嬪簭?r)靛?..
D.鎺鍒椤哄簭鍙?&quot&quot??
姝ｇ?r)绛&quot妗堬1/4欱?″垎?/4?鍒?
3.宸茬煡濡備笅?ｇ侊1/4?
publicclassTest{
staticlonga[]=newlong
publicstaticvoidmain(Stringarg[]){
System.out.println(a)
}
}
鍒(tm)涓嬮潰涓??鍙ユ槸姝ｇ?r)鐨&quot銆?
A.Outputisnull.
B.Whencompilesomeerrorwilloccur.
C.Outputis0.
D.Whenrunningsomeerrorwilloccur.
姝ｇ?r)绛&quot妗堬1/4欳?″垎?/4?鍒?
4.Java璇?█鐨&quot?r)稿?鐗圭偣涓?1/4屼笅鍒鐗圭偣鏄疌++璇?█鎵?笉?..峰?鐨&quot銆?
A.?樻??/2
B.璺ㄥ钩鍙?
C.闈㈠?瀵硅薄
D.鏈夌?搴&quot
姝ｇ?r)绛&quot妗堬1/4欱?″垎?/4?鍒?
5.?/2&quot?规硶閬囧埌?/4傚父鍙堜笉鐭ュ??/2曞?鐞嗘讹1/4屽?璇?
A.鎹曡??/4傚父
B.鎶涘嚭?/4傚父
C.?╰hrows澹版槑?/4傚父
D.宓屽??/4傚父
姝ｇ?r)绛&quot妗堬1/4欳?″垎?/4?鍒?
6.publicclassXextendsFrame{
publicstaticvoidmain(String[]args){
Xx=newX()x.pack()x.setVisible(true)
}
publicX(){
setLayout(newGridLayout(22))
Panelp1=newPanel()add(p1)
Buttonb1
A.allchangeheightandwidth
B.ButtonOnechangeheight
C.ButtonTwochangeheightandButtonThreechangewidth
D.ButtonFourchangeheightandwidth
姝ｇ?r)绛&quot妗堬1/4欴?″垎?/4?鍒?
7.涓嬮潰璇?彞鏄?垱?烘暟?&quot鐨&quot姝ｇ?r)璇?彞銆?
A.floatf=newfloat
B.float[]f[]=newfloat
C.floatf[]=newfloat[]
D.float[]f=newfloat

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