猜测首府

题目要求

import javax.swing.JOptionPane;

public class Exercise9_22 {
public static void main(String[] args) {
String[][] stateCapital = {/*55个州和它们独自的首府*/
{"Alabama", "Montgomery"},
{"Alaska", "Juneau"},
{"Arizona", "Phoenix"},
{"Arkansas", "Little Rock"},
{"California", "Sacramento"},
{"Colorado", "Denver"},
{"Connecticut", "Hartford"},
{"Delaware", "Dover"},
{"Florida", "Tallahassee"},
{"Georgia", "Atlanta"},
{"Hawaii", "Honolulu"},
{"Idaho", "Boise"},
{"Illinois", "Springfield"},
{"Indiana", "Indianapolis"},
{"Iowa", "Des Moines"},
{"Kansas", "Topeka"},
{"Kentucky", "Frankfort"},
{"Louisiana", "Baton Rouge"},
{"Maine", "Augusta"},
{"Maryland", "Annapolis"},
{"Massachusettes", "Boston"},
{"Michigan", "Lansing"},
{"Minnesota", "Saint Paul"},
{"Mississippi", "Jackson"},
{"Missouri", "Jefferson City"},
{"Montana", "Helena"},
{"Nebraska", "Lincoln"},
{"Nevada", "Carson City"},
{"New Hampshire", "Concord"},
{"New Jersey", "Trenton"},
{"New York", "Albany"},
{"New Mexico", "Santa Fe"},
{"North Carolina", "Raleigh"},
{"North Dakota", "Bismark"},
{"Ohio", "Columbus"},
{"Oklahoma", "Oklahoma City"},
{"Oregon", "Salem"},
{"Pennslyvania", "Harrisburg"},
{"Rhode Island", "Providence"},
{"South Carolina", "Columbia"},
{"South Dakota", "Pierre"},
{"Tennessee", "Nashville"},
{"Texas", "Austin"},
{"Utah", "Salt Lake City"},
{"Vermont", "Montpelier"},
{"Virginia", "Richmond"},
{"Washington", "Olympia"},
{"West Virginia", "Charleston"},
{"Wisconsin", "Madison"},
{"Wyoming", "Cheyenne"}
};

int correctCount = 0;//用于计数统计出答对的次数

for (int i = 0; i < stateCapital.length; i++) {
// Prompt the user with a question
String capital =
JOptionPane.showInputDialog("What is the capital of " +
stateCapital[i][0] + "?");//你可以试一试，加？和不加？是有区别的。。

if (capital.equals(stateCapital[i][1]))/*如果答对了*/ {
JOptionPane.showMessageDialog(null, "Your answer is correct");
correctCount++;
}
else
JOptionPane.showMessageDialog(null,
"The correct answer should be " + stateCapital[i][1]);
}

JOptionPane.showMessageDialog(null,
"The correct count is " + correctCount);
}
}

## 程序结果：##