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1. ²»ÄÜÓÃÀ´ÐÞÊÎinterfaceµÄÓУ¨£©
A£®private B£®public C£®protected D£®static
2.System.out.println(-1>>>1) Êä³öʲô.
A.-1 B.1 C. 2147483647 D. -2147483647
3. ÏÂÁÐÓйØServletµÄÉúÃüÖÜÆÚ£¬Ëµ·¨²»ÕýÈ·µÄÊÇ£¨£©¡£
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B¡¢ÔÚServletÉúÃüÖÜÆڵķþÎñ½×¶Î£¬Ö´ÐÐservice()·½·¨£¬¸ù¾ÝÓû§ÇëÇóµÄ·½·¨£¬Ö´ÐÐÏàÓ¦µÄdoGet()»òÊÇdoPost()·½·¨¡£
C¡¢ÔÚÏú»Ù½×¶Î£¬Ö´ÐÐdestroy()·½·¨ºóϵͳÁ¢¿Ì½øÐÐÀ¬»ø»ØÊÕ¡£
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4. ¹ØÓÚÒì³£´¦Àí»úÖƵÄÐðÊöÄÄЩÕýÈ·£¨£©
A. catch²¿·Ö²¶×½µ½Òì³£Çé¿öʱ£¬²Å»áÖ´ÐÐfinally²¿·Ö
B. µ±tryÇø¶ÎµÄ³ÌÐò·¢ÉúÒ쳣ʱ£¬²Å»áÖ´ÐÐcatchÇø¶ÎµÄ³ÌÐò
C. ²»ÂÛ³ÌÐòÊÇ·ñ·¢Éú´íÎó¼°²¶×½µ½Òì³£Çé¿ö£¬¶¼»áÖ´ÐÐfinally²¿·Ö
D. ÒÔÉ϶¼ÊÇ
ÏÂÁгÌÐòÓдíÎóÂð,´íÔÚÄÇÀï
1.
public class Something {
void doSomething() {
private String s = ¡°¡±;
int i = s.length();
}
}
2.
abstract class Something {
private abstract String doSomething ();
}
3.
public class Something {
public static void main(String[] args) {
Something s = new Something();
System.out.println(¡°s.doSomething() returns ¡± + doSomething());
}
public String doSomething() {
return ¡°Do something ¡¡±;
}
}
4.
public class Something {
public static void main(String[] args) {
Other other= new Other();
new Something().addOne(other);
}
public void addOne(final Other other){
other.i++;
}
}
class Other{
public int i;
}
5.
interface A {
int x = 0;
}
class B {
int x = 1;
}
class C extends B implements A {
public void printX() {
System.out.println(x);
}
public static void main(String[] args) {
new C().printX();
}
}
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