c++ programming part five

Basics of Sorting Algorithm and their code in java
Getting started with GUI -

Guess the number project
Snake project
.........................
504.
505. Requirements
PC are fine for this course
A course completely for beginners
Description
The biggest issue with Java is that most people either say that before learning
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About me
My name is Boroghina Bogdan and I have been programming for almost 32 years. I
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Email: centruldoxis@gmal.com
506. Decisional Statements.
507. We'll learn how to make a decision-making program.

508. The simplest way to program a behavior is to you say: "If a condition is true,
then execute statements ".
509. Here's the simple form of the if statement:
510. if (condition)
511. statement;
512. Example:
513. if (a == b)
514. cout << "a is equal to b";
515. cin>>n;
516. cin>>m;
517. int s=n+m;
518. cout<<"the sum between <<<<"and"<519. int a=1101,b=23,s,p;
520. double d;
521. s=a+b;
522. cout<<"sum is <523. p=a*b;
524. cout<<"product is "<

525. d=(a*1.0)/(b*1.0);
526. cout<<"division is "<527. }
528. We notice that we used the equal sign twice. When we want to test an equality
we always have to use the operator ==.
529. The if statement also has the compound version:
530. if (condition) {
531. statement-1;
532. statements-2;
533. ..............
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534. statements-n;
535. }
536.
537. What's the difference?

538. Different is the fact that in the second example braces are used.Simple form of if
executes only one statement on when the one with braces executes two or more.
539. What role are the braces?
540. Braces have the role of creating a block of statements that is to be executed if
the condition is true, whereas if we do not have braces it will only runfirst statement
following if.
541. The if statement also includes an optional, optional branch.
542. General form:
543. if (condition) statement 1;
544. else
545. statement 2;
546. If the condition is true then run statement 1, otherwise execute statement 2.
547. Example:
548. if (5> 3) cout << "true! "
549. else cout << "false";
550. If 5> 3 then we write "true!", Otherwise we write "false".
551. Example:
552. a = 7;
553. b = 4;
554. c = 2;
555. if (a> b + c)
556. cout << "a is greater than b + c";
557. else cout << "is not greater than b + c";
558. We have assigned values ??for variables a, b and c. If a> b + c then we
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pieces differently
showed "a is larger than b + c", otherwise we would say "is not greater than b + c ";
559. Example:
560. if (a == b)
561. cout << "a is equal to b";

562. else
563. cout << "is not equal to b";
564. C ++ relational operators are:
565. <- nbsp="" p="" smaller="">566. > - Higher
567. <= - less than or equal
568. > = - greater or equal
569. == - checking equality
570. ! = checking inequality
571. Let's take as an example a program that shows us if one
572. number is odd or not odd:
573. #include  
574. int main () {
575. int x;
576. cout << "Enter a number:";
577. cin >> x;
578. if (x% 2 == 0)
579. cout << "The number is not odd.";
580. else
581. cout << "The number is odd.";
582. return 0;
583. }

584. In this program we used the modulo operator (%). How I said, this operator
returns the rest of the split, and if the remainder of the division of a number to 2 is
0, that means that the number is not odd, and otherwise it is odd.