Sunday, 16th October 2011
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IfElseDemo.java

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Most computer programs need to make decisions based on certain outcomes. They achieve this by testing a condition and operate differently based on the outcome of the test.


Contents

the article

The following simple program shows the use of the if..else-if statement and how it can be used to make decisions, it assigns a grade based on the test score.

if..else-if statement

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 */ 
 
 
package org.wikijava.decision;
 
public class IfElseDemo
{
 
	public static void main(String[] args)
	{
		int testscore = 76;
		char grade;
 
		if (testscore >= 90) {
		    grade = 'A';
		  } else if (testscore >= 80){
		      grade = 'B';
		  } else if (testscore >= 70){
		      grade = 'C';
		  } else if (testscore >= 60){
		      grade = 'D';
		  } else {
		      grade = 'F';
		  }
		  System.out.println("Grade = " + grade);
	}
 
}

See Also


Comments from the users

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very clear

thanks for sharing.

--DonGiulio 03:40, 25 September 2008 (PDT)


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