C Programming Absolute Beginner's Guide (3rd Edition)

Click here to view code image printf("In 3 years, I'll be %d years old.\n", age + 3); If you want to multiply and divide, you ca ...

intAnswer = x % y; // This calculates the remainder (4) printf("%d modulus (i.e. remainder of) %d equals %d", x, y, intAnswer); ...

/* Compute the price */ beforeTax = tirePrice * numTires; netSales = beforeTax + (beforeTax * SALESTAX); printf("%You spent $%.2 ...

TABLE 9.1 Order of Operators Here is a difficult expression. All the variables and numbers are integers. See if you can figure o ...

figure shows, you should compute one operator at a time and then bring the rest of the expression down for the next round. If an ...

As you can see from the order of operators table, the assignment operator has precedence and associativity, as do the rest of th ...

/* The student got 88s on the first and third test, so a multiple assignment statement works. */ grade1 = grade3 = 88; grade2 = ...

10. Powering Up Your Variables with Assignments and Expressions In This Chapter Saving time with compound operators Fitting com ...

// to C, 3rd Edition // File Chapter10ex1.c /* This program increases a counter from 1 to 5, printing updates and then counts it ...

C provides several compound operators that let you update a variable in a manner similar to the methods just described (incremen ...

TABLE 10.1 Compound Assignment Operators This second sample program produces the exact same result as the first program in the c ...

levels lower than the +. Initially, this might not sound like a big deal. (Actually, maybe none of this sounds like a big deal. ...

Never use a typecast with a variable on a line by itself. Typecast where a variable or an expression has to be converted to anot ...

11. The Fork in the Road—Testing Data to Pick a Path In This Chapter Testing data Using if Using else C provides an extremely ...

Before delving into if, let’s look at a few relational operators and see what they really mean. A regular operator produces a ma ...

beginning of relational operators. The next section explains how to use them. Using if The if statement uses relational operator ...

if (yearBorn > CURRENTYEAR) { printf("Really? You haven't been born yet?\n"); printf("Want to try again with a different year ...

operator. Only leap years are divisible by 4 without a remainder, so only people who were born in one of those years will see th ...

printf("What year were you born?\n"); scanf(" %d", &yearBorn); // This if statement can do some data validation, making sure ...

Note As with the body of the if, the body of the else doesn’t require braces if it consists of a single statement—but it’s a goo ...