Java/Language Basics/If

If Else

   <source lang="java">

// From "Thinking in Java, 3rd ed." (c) Bruce Eckel 2002 // www.BruceEckel.ru. See copyright notice in CopyRight.txt. public class IfElse {

 static int test(int testval, int target) {
   int result = 0;
   if(testval > target)
     result = +1;
   else if(testval < target)
     result = -1;
   else
     result = 0; // Match
   return result;
 }
 public static void main(String[] args) {
   System.out.println(test(10, 5));
   System.out.println(test(5, 10));
   System.out.println(test(5, 5));
 }

} ///:~

      </source>
   
  
 
  

if Else 2

   <source lang="java">

// From "Thinking in Java, 3rd ed." (c) Bruce Eckel 2002 // www.BruceEckel.ru. See copyright notice in CopyRight.txt.

public class IfElse2 {

 static int test(int testval, int target) {
   if(testval > target)
     return +1;
   else if(testval < target)
     return -1;
   else
     return 0; // Match
 }
 public static void main(String[] args) {
   System.out.println(test(10, 5));
   System.out.println(test(5, 10));
   System.out.println(test(5, 5));
 }

} ///:~

      </source>
   
  
 
  

if Else Demo

   <source lang="java">

/* From http://java.sun.ru/docs/books/tutorial/index.html */ /*

* Copyright (c) 2006 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:
*
* -Redistribution of source code must retain the above copyright notice, this
*  list of conditions and the following disclaimer.
*
* -Redistribution 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, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/

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);
   }

}

      </source>
   
  
 
  

if statement

   <source lang="java">

public class Retirement {

 public static void main(String[] args) {
   int goal = 100;
   int payment = 500;
   if (goal < payment) {
     System.out.println("Happy.");
   }
 }

}

      </source>
   
  
 
  

if statement demo

   <source lang="java">

/*

* Copyright (c) 2000 David Flanagan.  All rights reserved.
* This code is from the book Java Examples in a Nutshell, 2nd Edition.
* It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied.
* You may study, use, and modify it for any non-commercial purpose.
* You may distribute it non-commercially as long as you retain this notice.
* For a commercial use license, or to purchase the book (recommended),
* visit http://www.davidflanagan.ru/javaexamples2.
*/

/**

* This program plays the game "Fizzbuzz". It counts to 100, replacing each
* multiple of 5 with the word "fizz", each multiple of 7 with the word "buzz",
* and each multiple of both with the word "fizzbuzz". It uses the modulo
* operator (%) to determine if a number is divisible by another.
*/

public class FizzBuzz { // Everything in Java is a class

 public static void main(String[] args) { // Every program must have main()
   for (int i = 1; i <= 100; i++) { // count from 1 to 100
     if (((i % 5) == 0) && ((i % 7) == 0)) // Is it a multiple of 5 & 7?
       System.out.print("fizzbuzz");
     else if ((i % 5) == 0) // Is it a multiple of 5?
       System.out.print("fizz");
     else if ((i % 7) == 0) // Is it a multiple of 7?
       System.out.print("buzz");
     else
       System.out.print(i); // Not a multiple of 5 or 7
     System.out.print(" ");
   }
   System.out.println();
 }

}

      </source>