Tomcat example source code file (NumberGuessBean.java)

This example Tomcat source code file (NumberGuessBean.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

numberformatexception, numberformatexception, numberguessbean, numberguessbean, string, string, util

The Tomcat NumberGuessBean.java source code

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

/*
 * Originally written by Jason Hunter, http://www.servlets.com.
 */

package num;

import java.util.*;

public class NumberGuessBean {

  int answer;
  boolean success;
  String hint;
  int numGuesses;

  public NumberGuessBean() {
    reset();
  }

  public void setGuess(String guess) {
    numGuesses++;

    int g;
    try {
      g = Integer.parseInt(guess);
    }
    catch (NumberFormatException e) {
      g = -1;
    }

    if (g == answer) {
      success = true;
    }
    else if (g == -1) {
      hint = "a number next time";
    }
    else if (g < answer) {
      hint = "higher";
    }
    else if (g > answer) {
      hint = "lower";
    }
  }

  public boolean getSuccess() {
    return success;
  }

  public String getHint() {
    return "" + hint;
  }

  public int getNumGuesses() {
    return numGuesses;
  }

  public void reset() {
    answer = Math.abs(new Random().nextInt() % 100) + 1;
    success = false;
    numGuesses = 0;
  }
}