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提问人：网友聂坤发布时间：2022-01-07

[单选题]

运行如下程序，输出结果是（）。 StringBuffer sb = new StringBuffer（"good morning!"); String sub = sb.substring（0, 8); System.out.println（sub); System.out.print（"/"); char c = sb.charAt（6); System.out.println（c);

A.good mor /o

B.good morn/o

C.good morn/m

D.good mor/ o

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· 有3位网友选择 C，占比30%
· 有3位网友选择 D，占比30%
· 有2位网友选择 B，占比20%
· 有2位网友选择 A，占比20%

ABCD

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更多“运行如下程序，输出结果是（）。 StringBuffer sb = new StringBuffer（"good morning!"); String sub = sb.substring（0, 8)…”相关的问题

第1题

在命令行输入如下命令,结果为 java myprog good morning public class myprog{ public static void main(String argv[]) { System.out.println(argv[2]); } }

A、myprog

B、good

C、morning

D、出现异常 "java.lang.ArrayIndexOutOfBoundsException: 2"

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第2题

听力原文： Good morning! I am pleased to address you today at this 2nd IT Outsourcing Conference and Expo. If my memory serves me right, I spoke on a similar occasion last year and, like you, I find that the notion of IT Outsourcing has taken on some new dimensions. I should like to share some of my thoughts with you.

Catalyzed by international trading, the business environment has become increasingly competitive nowadays. To strive for survival or sustain competitiveness in market, organizations have in work on initiatives to reduce costs and enhance efficiency. Outsourcing has been an important strategy to help achieve these organizational goals. Through outsourcing, organizations can farm out non-core functions to outsourcers, enabling the organizations to re-prioritize and re-direct their resources on their core areas of competency. With this value preposition, it is common to see outsourcing being enlisted on the standing agenda of most organizations today. In this regard, from what I can observe government departments are not immune to competitive forces. In fact, in some cases government faces some unique and more challenging situations than the private sector when it comes to outsourcing. These include the procurement framework, the business and contract models, terms of payment, and measures to address the issues arising from surplus staff as a result of outsourcing.

Let me spend a few minutes on the outsourcing landscape as we see it. Over the years, the classical model of IT outsourcing, e.g. project-by-project outsourcing, has taken on new varieties, including organizational and business process Outsourcing. With the maturity of the outsourcing market and the increasing integration between business and IT, we see there is an increasing trend for organization to consider business process outsourcing. With these additional choices, the approach to Outsourcing in a given organization has become necessarily complex and requires in some cases careful crafting of contracts and extensive due diligence exercises.

We also see a growing trend of outsourcing taking place in this part of the region too. In a recent forecast by Gartner, it predicts that the Asia/Pacific IT services market will grow at a compounded annual growth rate of 9 percent through 2009, outpacing the global growth rate of 5.5 percent. We see the growth mainly coming from countries such as China and India which have been actively developing their Outsourcing markets in the recent years.

？You will hear an opening keynote at the 2nd IT 0utsourcing Conference & Expo.

？As you listen, for questions 1—12, complete the notes, using up to three words or a number.

？You will hear the recording twice.

SELLING TACTICS

NOTES

Outsourcing in general:

1. The business environment has become increasingly______

2. Organizations try to reduce costs and______

3. Outsourcing can help achieve these______

4. In most organizations today, outsourcing has been enlisted on the______

5. Government departments are not immune to______

6. Government faces some unique and more challenging situations than the

Outsourcing Trends:

7. Spend a few minutes on the outsourcing______

8. One classical model of IT outsourcing is______

9. There is an increasing trend for organization to consider______

10. The approach has become necessarily______

11. The Asia/Pacific IT services market will row at a rate of 9 percent through______

12. The growth mainly comes from countries such as______

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第3题

运行下面程序时，从键盘输入字母I，则输出结果是( ). #include <stdio.h> int main( ) { switch(getchar( )) { case 'I':printf("I love\n"); case 'C':printf("Chnia!\n"); default:printf("You are OK!\n"); } return 0; }

A、I love Chnia! You are OK!

B、I love

C、China

D、I love Chnia! You are OK!

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第4题

如下所示的Test类的Java程序中，共有几个构造方法（）。 public class Test{ private int x; public Test(){} public void Test(int i){ this.x=i; } public Test(String str){} }

A、0

B、1

C、2

D、3

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第5题

已知如下代码：（） public class Test { public static void main(String arg[] ) { int i = 5; do{ System.out.print(i); }while(-i>5); System.out.print("finished"); } } 执行后的输出是什么？

A、5finished

B、4

C、6

D、finished

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第6题

Given: abstract class Bar { public int getNum() { return 38; } } public abstract class AbstractTest { public int getNum() { return 45; } public static void main(String[] args) { AbstractTest t = new AbstractTest() { public int getNum() { return 22; } }; Bar f = new Bar() { public int getNum() { return 57; } }; System.out.println(f.getNum() + " " + t.getNum()); } } What is the result?

A、57 22

B、45 38

C、45 57

D、An exception occurs

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第7题

现有: class Tree { private static String tree = "tree"; String getTree() { return tree; } } public class Elm extends Tree { private static String tree = "elm"; public static void main(String[] args) { new Elm().go(new Tree()); } void go(Tree t) { String s = t.getTree() + Elm.tree + tree + (new Elm().getTree()); System.out.println(s); } }

A、elmelmelmelm

B、treeelmelmelm

C、treeelmelmtree

D、treeelmtreeelm

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第8题

现有： class Guy{ String greet(){ return "hi "; }} class Cowboy extends Guy{ String greet(){ return "howdy "; }} class Wrangler extends Cowboy{ String greet(){ return "ouch! "; } } class Greetings2 { public static void main (String [] args) { Guy g=new Wrangler(); Guy g2=new Cowboy(); Wrangler w2=new Wrangler(); System.out.print(g.greet()+g2.greet()+w2.greet()); } } 结果是什么？

A、hi hi ouch!

B、ouch! howdy ouch!

C、hi howdy ouch!

D、编译失败

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第9题

class Person { private int a; public int change(int m){ return m; } } public class Teacher extends Person { public int b; public static void main(String arg[]){ Person p = new Person(); Teacher t = new Teacher(); int i; // point x } } Which are syntactically valid statement at // point x?

A、i = m;

B、i = b;

C、i = p.a;

D、i = p.change(30);

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