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| Fundamental building blocks of java programs |
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| Fundamental building blocks of java programs |
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| Every java app contains a class with a _ method |
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| contains a sequence of instructions |
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| when a java application starts, the instructions in the _ method are executed |
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| Each class contains_ of methods |
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| 3 things needed to call a method |
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| specify an object, method name, method parameters |
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| sequence of characters enclosed in quotation marks |
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| In java, every value has a _ |
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| type for number with a fractional part |
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| numbers in exponential notation always have type _ |
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| when a numerical value occurs in java, it is called a _ |
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| 3 advantages of integers over floating point number types |
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| Less storage space, faster processing, no rounding errors |
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| for quantities that never have fractional parts, such as length of a string |
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| when to use "double" type |
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| for quantities that can have fractional parts |
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| Number types int and double are _ types |
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| Do number types have methods? |
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| Combination of variables, literals, operators and/or methods |
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| storage location in the computer's memory that has a type, name, and contents |
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| When you declare a variable, what two decisions do you need to make? |
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| The name of a variable, method, or class in java |
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| can an identifier start with a digit? |
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| can an identifier contain spaces or symbols? |
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| starts with lowercase letter |
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| variables and method names |
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| Starts with uppercase letter |
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| names automatically generated by tools |
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| value you can manipulate by calling one or more of its methods |
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| sequence of instructions that can access the internal data of an object |
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| The System.out object belongs to what class |
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| The "Hello World!" object belongs to what class |
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| A _ specifies the methods you can apply to its objects |
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| Every _ belongs to a _. The _ declares the _ for the _. |
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| Every object belongs to a class. The class declares the methods for the objects. |
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| The methods for the _ of the class, telling you what you can do with the objects of the class |
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| A class declares a _ describing the data inside its objects and the instructions for its methods |
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| The println method name is _ because it refers to more than one method |
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| The object on which you invoke a method is a(n) _ parameter |
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| The process of making a new object |
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| Method that accesses an object and returns some information about it |
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| Method whose purpose is to modify internal data of an object |
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| Java refers to object attributes that can change as_ |
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| If a method return type is _, it does not return anything. |
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| The header of a method. Provides info needed to invoke that method. |
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| Stores data persistently within an object |
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| responsible for ensuring that an object is set up properly when it is first created |
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| Implement the behavior of an object; provide its functionality |
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| Means to store a value in a variable |
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| Does a Constructor have a return type? |
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| How many parameters can constructors and/or methods have? |
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