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public class Yikes { public static void go(Long n) { System.out.println(\ } public static void go(Short n) { System.out.println(\ } public static void go(int n) { System.out.println(\ } public static void main(String[] args) { short y = 6; long z = 7; go(y); go(z); } } A.

Long Long B.

Short Long C.

int Long D.

int int

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2. ÏÂÃæ²»ÊôÓÚ½Ó¿ÚµÄÊÇ£º£¨£©¡£

A. java.sql.Connection B. java.sql.Driver

C. java.sql.DriverManager D. java.sql.ResultSet ÕýÈ·´ð°¸£ºC

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4. ÀàAµÄ¶¨ÒåÈçÏ£º

class A {

protected void f() throws FileNotFoundException {

¡­¡­¡­ } }

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class B extends A {

public void f() throws Exception {

¡­¡­¡­ } } B.

class B extends A {

public void g() throws IOException {

f(); } } C.

class B extends A {

public void g() {

try{

f(); ¡­¡­¡­ }

catch(IOException e) {

¡­¡­¡­ }

catch(FileNotFoundException e1) {

¡­¡­¡­ } } } D.

class B extends A {

public void g() {

try {

f(); }

catch(FileNotFoundException e) {

throw new RuntimeException(e); } } }

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A. INSERT B. SUBSTR C. LPAD D. LEAST ÕýÈ·´ð°¸£ºB

6. ResultSetÌṩÁË»ñÈ¡Êý¾Ý¿âÖÐij¸ö×Ö¶ÎÖµµÄ·½·¨£¬Èç¹ûij¸ö×Ö¶ÎΪNUMBERÀàÐÍ,¿ÉÒÔ»ñÈ¡¸Ã×Ö¶ÎÖµµÄ·½·¨ÊÇ£º( )¡£

A. getNumber() B. getDouble() C. setNumber() D. setDouble() ÕýÈ·´ð°¸£ºB

7. ÏÂÁдúÂë±àÒëºÍÔËÐеĽá¹ûÊÇ£º

public class A { void process() throws Exception { throw new Exception(); } public static void main(String[] args) { A a = new B(); a.process(); } }

class B extends A { void process() { System.out.println(\ } }

A. Êä³ö:B B. ÎÞÊä³ö

C. BÀàµÄprocess·½·¨´¦£¬³öÏÖ±àÒë´íÎó D. ´úÂëa.process();ÐУ¬³öÏÖ±àÒë´íÎó ÕýÈ·´ð°¸£ºD

8. ÏÂÁдúÂë±àÒëºÍÔËÐеĽá¹ûÊÇ£º

public static void main(String[] args) {

}

Float pi = new Float(3.14f); if (pi > 3) { System.out.print(\ } else { System.out.print(\ }

finally { System.out.println(\ }

A. ±àÒëʧ°Ü

B. Êä³ö£ºpi is bigger than 3.

C. Êä³ö£ºpi is bigger than 3. Have a nice day D. Êä³ö£ºpi is not bigger than 3. Have a nice day. ÕýÈ·´ð°¸£ºA

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A. new FileInputStream(¡°fileName¡±);

B. new InputStreamReader(new FileInputStream(¡°fileName¡±));

C. new BufferedReader(new InputStreamReader(new FileInputStream(¡°fileName¡±))); D. new RandomAccessFile(¡°fileName¡±,¡±+rw¡±); ÕýÈ·´ð°¸£ºC

10. ÔËÐÐÏÂÁгÌÐò£º

public static void main(String[] args) { String str = \ String str1 = \ int index = 0; while ((index = str.indexOf(str1, index)) != -1) { System.out.print(index + \ index += str1.length(); } }

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11. ÔËÐÐÏÂÁдúÂ룬Êä³öΪfalseµÄÊÇ£º£¨£©¡£

A. String st1 = \

System.out.println(\