By Philip Heller

This exceptional ebook teaches starting programmers find out how to use the fastest-growing programming language, Java. as well as studying the center Java language, additionally, you will gather a large figuring out of important programming recommendations, together with variables, keep watch over, reminiscence, indirection, compilation, and calling. Best-selling Java publication writer and renowned Java collage educator Philip Heller is aware what you want to examine and understands how top to express it. The better half CD comprises lively, interactive video games for every bankruptcy that illustrate key ideas and provides you deeper insights into the workings of Java.

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The blue line represents returning the return value. When the animation is finished, click Reset to start again. 2 shows MethodLab after the animation finishes. 2: MethodLab after animating You can customize MethodLab by typing any integer value you like into the text fields for a and b. You can also enter any numeric formula for the value of z, which becomes the return value. Try the formula in the preceding example. Since this method's arguments are called x and y, the formula should be 48 Chapter 4: Methods Chapter 4: Methods 49 x*x + y*y With this formula, try running MethodLab with a = 3 and b = 4.

The line says to add the value of x plus 5 and store the result back in x. Precedence and Parentheses Multiple operations can be combined in a single statement. 14159 * r * r; // Pi-r-squared Use caution when combining different operators in a single statement. It would be reasonable to expect the statement to be evaluated left to right, but Java doesn't do it that way. For example, you might expect that after the following line executes, the value of x is 502: int x = 1000 + 4 / 2; Actually, x is 1002.

The ShiftLab animated illustration will help you get that experience. ShiftLab. The display shows a 32-bit int value to be shifted, as illustrated in Figure. 8. 8: ShiftLab You can change the value by typing a base-10 number (positive or negative) into the text field, or by clicking on individual bits in the display. Select the desired shift operation (<<, >>, or >>>) and the desired shift size, and then click on the Go button. The program will animate the shift that you've specified. 9 shows the result of "96 << 3".

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Ground-Up JavaiB by Philip Heller
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