苏州园林考察报告

苏州东峰信息工程有限公司 高级java软件工程师笔试题选择题 1:Math.round(-11.5)等於多少? A.-11 B.-12 C.-11.5 D.none 2:Which method you define as the starting point of new thread in a class from which new the thread can be excution? A.public void start() B.public void run() C.public void runnable() D.public static void main(String args) 3: 1. Whatwillbetheresultofexecutingthefollowingcode? 2. booleana=true; 3. booleanb=false; 4. booleanc=true; 5. if(a=true) 6. if(b=true) 7. if(c=true)System.out.println(Somethingsaretrueinthisworld); 8. elseSystem.out.println(Nothingistrueinthisworld!); 9. elseif(a&(b=c)System.out.println(Itstooconfusingtotellwhatistrueandwhatisfalse); 10. elseSystem.out.println(Heythiswontcompile); 11. 12. Choices:What will be the result of executing the following code? boolean a = true; boolean b = false; boolean c = true; if (a = true) if (b = true) if (c = true) System.out.println(Some things are true in this world); else System.out.println(Nothing is true in this world!); else if (a & (b = c) System.out.println(Its too confusing to tell what is true and what is false); else System.out.println(Hey this wont compile); Choices:A.The code wont compile B.Some things are true in this world will be printed C.Hey this wont compile will be printed D.None of these 4:设有变量说明语句int a=1,b=0; 则执行以下程序段的输出结果为（ ）。 switch (a) case 1: switch (b) case 0:printf(*0*);break; case 1:printf(*1*);break; case 2:printf(*2*);break; printf(n); A.*0* B.*0*2* C.*0*1*2* D.有语法错误 5:Which is the main() method return of a application? A.String B.byte C.char D.void 6:Which are not Java keywords? A.TRUE B.const C.super D.void 7: 1. Givethecodefragment: 2. if(x4) 3. System.out.println(“Test1”); 4. elseif(x9) 5. System.out.println(“Test2”); 6. else 7. System.out.println(“Test3”); 8. Whichrangeofvaluexwouldproduceofoutput“Test2”?Give the code fragment:if(x4)System.out.println(“Test 1”);else if (x9)System.out.println(“Test 2”);else System.out.println(“Test 3”);Which range of value x would produce of output “Test 2”? A.x4 C.x9 D.None 8:软件生命周期的瀑布模型把软件项目分为3个阶段、8个子阶段，以下哪一个是正常的开发顺序? A.计划阶段、开发阶段、运行阶段 B.设计阶段、开发阶段、编码阶段 C.设计阶段、编码阶段、维护阶段 D.计划阶段、编码阶段、测试阶段 9:Which of the following answer is correct to express the value 8 in octal number? A.010 B.0x10 C.08 D.0x8 10: 1. Whichisthemostappropriatecodesnippetthatcanbeinsertedatline18inthefollowingcode? 2. 3. (Assumethatthecodeiscompiledandrunwithassertionsenabled) 4. 5. 1.importjava.util.*; 6. 7. 2. 8. 9. 3.publicclassAssertTest 10. 11. 4. 12. 13. 5.privateHashMapcctld; 14. 15. 6. 16. 17. 7.publicAssertTest() 18. 19. 8. 20. 21. 9.cctld=newHashMap(); 22. 23. 10.cctld.put(in,India); 24. 25. 11.cctld.put(uk,UnitedKingdom); 26. 27. 12.cctld.put(au,Australia); 28. 29. 13./morecode. 30. 31. 14. 32. 33. 15./othermethods. 34. 35. 16.publicStringgetCountry(StringcountryCode) 36. 37. 17. 38. 39. 18./Whatshouldbeinsertedhere? 40. 41. 19.Stringcountry=(String)cctld.get(countryCode); 42. 43. 20.returncountry; 44. 45. 21. 46. 47. 22.Which is the most appropriate code snippet that can be inserted at line 18 in the following code?(Assume that the code is compiled and run with assertions enabled)1. import java.util.*;2. 3. public class AssertTest4. 5. private HashMap cctld;6. 7. public AssertTest()8. 9. cctld = new HashMap();10. cctld.put(in, India);11. cctld.put(uk, United Kingdom);12. cctld.put(au, Australia);13. / more code. 14. 15. / other methods . 16. public String getCountry(String countryCode)17. 18. / What should be inserted here?19. String country = (String)cctld.get(countryCode);20. return country;21. 22. A.assert countryCode != null; B.assert countryCode != null : Country code can not be null ; C.assert cctld != null : No country code data is available; D.assert cctld : No country code data is available; 11:在下述选项时,没有构成死循环的程序是 A.int i=100 while (1) i=i%100+1; if (i100) break; B.for (;); C.int k=1000; do +k; while(k=10000); D.int s=36; while (s);-s; 12:Which fragments are not correct in Java source file? A.package testpackage; public class Test/do something. B.import java.io.*; package testpackage; public class Test/ do something. C.import java.io.*; class Person/ do something. public class Test/ do something. D.import java.io.*; import java.awt.*; public class Test/ do something. 13:下面关于变量及其范围的陈述哪些是错的。 A.实例变量是类的成员变量。 B.实例变量用关键字static声明。 C.在方法中定义的局部变量在该方法被执行时创建 D.局部变量在使用前必须被初始化。 14:在软件生命周期中，下列哪个说法是不准确的? A.软件生命周期分为计划、开发和运行三个阶段 B.在计划阶段要进行问题焉醛和需求分析 C.在开发后期要进行编写代码和软件测试 D.在运行阶段主要是进行软件维护 简答题 15:串行化的注意事项以及如何实现串行化? 16:Java中异常处理有什么优点？ 17:servlet的生命周期? 18:编一个程序求质数的和例如F(7)=1+3+5+7+11+13+17=58 19:spring访问底层资源使用哪个接口？说出该接口的实现类也可以。 20:两种不同的方法计算unsigned x有多少1 bits，如x=3，为0000 0011，有2个1 21: 1. classSomething 2. finalintI; 3. publicvoiddoSomething() 4. System.out.println(I=+i); 5. 6. 7. 上面代码正确还是错误？为什么。class Something final int I; public void doSomething() System.out.println(I = + i); 上面代码正确还是错误？为什么。22:循环的有序数组（比如1，2，3，4，5，-3，-2，-1这种数列）里查找一个数。 23:abstract class Name private String name; public abstract boolean isStupidName(String name) 这有何错误? 24:如何设定的weblogic的热启动模式(开发模式)与产品发布模式? 25:X博士是一个研究儿童智力开发方法的科学家，他为幼儿教育领域做出了许多贡献。最近，X博士正在研究一种适合儿童的游戏，用以辅助发展儿童的观察力、注意力和思维能力。经过连日的构思，X博士终于设计出了一种游戏：彩球游戏。 彩球游戏是一种单人参与的游戏，游戏首先给出一串由许多不同颜色的小球组成的小球序列，以及一个整数参数M（M2）。一段连续的具有相同颜色的小球序列称为连续同色序列。小孩，即游戏参与者，每次可以向任意一段连续同色序列插入一个同色小球，使该序列的长度加一。当一段连续同色序列在插入一个同色小球后其长度达到M时，该序列就会爆炸消失，然后原序列两边的其余小球会重新连成一串，如果两段相同颜色的连续同色序列在此