绗竴濂?/p>
1
锛庡垎鏋愬涓?/p>
Java
浠ｇ爜锛?/p>
Avg
鐨勫�间负锛?/p>
C
锛?/p>
銆?/p>
(
閫夋嫨涓�椤?/p>
)
double exc=60.8;
ing avg=(int)exc;
a)
缂栬瘧鎶ラ敊
b)
60.8
c)
60
d)
61
2.
鍒嗘瀽濡備笅
Java
浠ｇ爜銆?/p>
i
鐨勫�间负
( B )
銆?/p>
(
閫夋嫨涓�椤?/p>
)
String str=
鈥?/p>
鎴戠埍鍖椾含澶╁畨闂?/p>
鈥?/p>
锛?/p>
int i = str . indexOf(
鈥?/p>
鐖?/p>
鈥?/p>
)
a)
0
b)
1
c)
2
d)
缂栬瘧鎶ラ敊锛屾彁绀虹被鍨嬩笉鍖归厤
3.
鍦?/p>
ava
涓紝鐢ㄤ簬鍚戞帶鍒跺彴鎵撳嵃淇℃伅鐨勮鍙ユ槸锛?/p>
A
锛?/p>
銆?/p>
(
閫夋嫨涓�椤?/p>
)
a)
System.out.print( )
b)
System.print( )
c)
Out.primt( )
d)
Print.print( )
4.
鍦?/p>
Java
涓?/p>
,
鍦ㄥ寘
cn..jb.test
涓湁涓�涓被
Test,
鍒欏湪绫?/p>
Test
涓垱寤哄寘璇彞姝ｇ‘鐨勬槸
( A )
銆?/p>
(
閫夋嫨涓�椤?/p>
)
a)
Package cn.jb.test.Test;
b)
Package cn.jb.test.;
c)
Import cn.jb.test
d)
Use cn.jb.test
5.
鍦?/p>
Java
涓?/p>
,
涓嬪垪鍏充簬瀵硅薄鍜岀被鐨勮娉曚腑閿欒鐨勬槸锛?/p>
D
锛?/p>
銆?/p>
(
閫夋嫨涓�椤?/p>
)
a)
瀵硅薄鏄嫢鏈夊睘鎬у拰鏂规硶鐨勫疄浣?/p>
b)
浣跨敤鍏抽敭瀛?/p>
new
鍒涘缓绫荤殑瀵硅薄
c)
绫绘槸鎶借薄鐨勬蹇?/p>
d)
浣跨敤绫荤殑鏂规硶鍓嶉兘闇�瑕佸厛鍒涘缓绫荤殑瀵硅薄
6.
鎵ц濡備笅
Java
浠ｇ爜鍚庯紝鍙橀噺
x
鍜?/p>
y
鐨勫�兼槸
锛?/p>
D
锛?/p>
銆?/p>
(
閫夋嫨涓�椤?/p>
)
public static void main(String[] args){
double x;
double y;
x = 15/2;
y = 15%2;
}