Arrays
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Array | show 🗑
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| show | Each data item in an array
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| show | Ex1: double[] salesFigrues = new double[20];...
Ex2: int[] idNums = new int[100];
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| show | Names start with lowercase letter and user uppercase letters to begin subsequent words. Often named using a plural noun and by adding a final word that implies a group
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| show | An integer contained within square brackets that specifies one of an array's elements. AN array's elements are numbered beginning with 0. Ex: salesFigures[0];
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| show | When you use a subscript that is too small(negative) or too large for an array. An error message is generated
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| Initialization List | show 🗑
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| Populating an Array | show 🗑
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| Initializing an Array | show 🗑
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| show | Contains the number of elements in the array. length is not an array method; it is a field. AN instance variable or object field such as length is also called a property of the object. Ex: scoreArray.length;
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| show | Allows you to cycle through an array without specifying the starting and ending points for the loop control variable. Ex: for(int val : scoreArray)...
System.out.println(val);
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| show | One with the same number of elements as another and for which the values in corresponding elements are related
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| show | A process in which you compare a value to the endpoints of numerical ranges to find the category in which a value belongs
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| Passed by Value | show 🗑
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| show | Arrays, like all nonprimitive objects, are reference types; this means that the object actually holds a memory address where the values are stored
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
TimJavaProgramming
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