Java/Language Basics/If

If Else

// 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));
  }
} ///:~

if Else 2

// 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));
  }
} ///:~

if Else Demo

/* 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);
    }
}

if statement

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

if statement demo

/*
 * 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();
  }
}