think java how to think like a computer scientist

... straightforward: When you declare a variable, you create a named storage location. When you make an assignment to a variable, you give it a value. A common way to represent variables on paper ... are values. To store a value, you have to create a variable. Since the values we want to store are strings, we declare that the new variable is a string: String bob; This statement is a declaration, ... arbi- trary name you made up for the variable. In general, you will want to make up variable names that indicate what you plan to do with the variable. For example, if you saw these variable declarations: String...

Ngày tải lên: 13/06/2014, 16:20

... computer programs. All programming languages are formal languages. natural language: Any of the languages people speak that have evolved nat- urally. portability: A property of a program that can run ... seen are declarations, assignments, and print state- ments. declaration: A statement that creates a new variable and determines its type. assignment: A statement that assigns a value to a variable. expression: ... In- stead of translating Java programs into machine language, the Java compiler 30 Methods find the sine of a number, you have to indicate what the number is. Thus, sin takes a double value as a parameter....

Ngày tải lên: 19/01/2014, 16:20

... diagrams To keep track of which variables can be used where, it is sometimes useful to draw a stack diagram. Like state diagrams, stack diagrams show the value of each variable, but they also show ... examples the expressions and are only evaluated once. You can also use a variable as an argument: The name of the variable we pass as an argument ( ) has nothing to do with the name of the parameter ... the syntactic structure of a program, analogous to a word in a natural language. parse: To examine a program and analyze the syntactic structure. print statement: An instruction that causes the...

Ngày tải lên: 06/03/2014, 16:20

... analo- gous to a word in a natural language. parse: To examine a program and analyze the syntactic s tructure. print statement: An instruction that causes the Python interpreter to display a value on ... Operators and operands Operators are special symbols that represent computations like addition and multiplication. The values the operator uses are called operands. The following are all legal ... screen. 2.3 Variable names and keywords 13 A common way to represent variables on paper is to write the name with an arrow pointing to the variable’s value. This kind of figure is called a state diagram because...

Ngày tải lên: 14/03/2014, 15:20

... is called a declaration. The type of a variable determines what kind of values it can store. A char variable can contain characters, and it should come as no surprise that int variables can store ... mathematical ideas or computer programs. All programming languages are formal languages. natural language: Any of the languages people speak that have evolved nat- urally. interpret: To execute a program ... 0 } 11 14 CHAPTER 2. VARIABLES AND TYPES • When you make an assignment to a variable, you give it a value. A common way to represent variables on paper is to draw a box with the name of the variable...

Ngày tải lên: 23/03/2014, 22:21

... in order to interview like a top MBA. In my case, I was a mathematics and economics major in college, and then I taught math for a number of years. When I was ready to make the transition to become a ... rec- ommend How to Interview Like a Top MBA!” —D ALE L E F EBVRE MIT graduate, Harvard Business School and Harvard Law School graduate Former McKinsey & Company Consultant Managing Partner, Pharos ... that all leading finan- cial advisers must master. I was able to communicate how my back- ground in math and economics, as well as my internships, had given me skills relevant to the financial advising...

Ngày tải lên: 11/03/2013, 15:28

Ngày tải lên: 29/12/2013, 21:06

... it’s easy to feel more like a head of cattle than a traveling gentleman. But a gentleman always does what he must do, and regardless of the circumstances, makes things as pleasant and smooth as ... comments! Related Posts 1. Manvotional: Robert E. Lee’s Chivalry 2. Mayday! Mayday! How to Land a Plane in an Emergency 3. The Gentleman’s Guide To Tipping the aisle of the plane as he struggles against all ... odds to cram a bag that’s never going to fit into the overhead compartment , and then finally has to give it to the flight attendant to check. Saving money by avoiding the checked-bag fee is great, and...

Ngày tải lên: 14/03/2014, 09:30

Ngày tải lên: 10/08/2014, 07:21

Ngày tải lên: 10/08/2014, 07:21

Ngày tải lên: 10/08/2014, 07:21

Ngày tải lên: 10/08/2014, 07:21