title: How to display JOptionPane through user input
body: <p>I'm currently stuck on trying to figure out why my Array values aren't diplaying in the dialog box. I am doing an assignment whose details are: </p>
  
  <p>"Write a program named TallestBuildingLookupthat contains an array of 10 TallestBuildingobjects and fill in it with the data given above accordingly. Then use dialog boxes to accept a building name and display the building’s location, height, and stories. If a match is not found, display an error message that includes the invalid name and allow the user to search for a new building name."</p>
  
  <p>My main issue is getting my array values to display from my toString() method, and handling the exception when I don't receive a name in the array. Specifically, getting the dialog box to loop to re-enter a name value and recheck the array. Any help would be greatly appreciated. </p>
  
  <pre><code>import javax.swing.*;
  
  public class TallestBuildingLookup {
  
      static class TallestBuilding{
          private String name;
          private String city;
          private int height;
          private int stories;
  
          public TallestBuilding(String name, String city, int height, int stories)     {
              this.name = name;
              this.city = city;
              this.height = height;
              this.stories = stories; 
          }
  
          public String getName(){
              return this.name;
          }
          public String toString(){
              return  this.name + " of " + this.city + ", "+ this.stories + "stories/" + this.height + " feet high." ;    
          }
      }
      public static void main(String[] args){
          TallestBuilding[] tallestbuilding = new TallestBuilding[10];
          tallestbuilding[0] = new TallestBuilding("One World Trade Center", "New York", 1776, 104);
          tallestbuilding[1] = new TallestBuilding("Willis Tower", "Chicago", 1451, 108);
          tallestbuilding[2] = new TallestBuilding("Empire State", "New York", 1250, 102);
          tallestbuilding[3] = new TallestBuilding("Bank of America Tower", "New York", 1200, 55);
          tallestbuilding[4] = new TallestBuilding("Aon Center", "Chicago", 1136, 83 );
          tallestbuilding[5] = new TallestBuilding("John Hancock Center", "Chicago", 1127, 100);
          tallestbuilding[6] = new TallestBuilding("Wells Fargo Plaza", "Houston", 992,71 );
          tallestbuilding[7] = new TallestBuilding("Comcast Center", "Philidelphia", 974, 57 );
          tallestbuilding[8] = new TallestBuilding("Columbia Center", "Seattle", 967, 76);
          tallestbuilding[9] = new TallestBuilding("Key Tower", "Clevland", 947, 57);
  
          String entry = JOptionPane.showInputDialog("Enter a builing name");
          String name = (String) entry;
  
          System.out.println(name);
  
          for (int i=0; i&lt;10; i++){
              if(name == tallestbuilding[i].getName() ){
                  JOptionPane.showInputDialog(null, tallestbuilding[i] );
              }
              else{
                  JOptionPane.showInputDialog("Sorry - no "+ name + " was found.");
              }
          }
      }
  }
  </code></pre>