Remembering the Coordinates ALL WE NEED TO REMEMBER FOUR NUMBERS (THE COORDINATES) ARE ENOUGH VARIABLE NAMES. int faceX, faceY, treeX, treeY; ... private void drawPictures() { pen.clearRect(); drawSmiley ( faceX, faceY); drawTree ( treeX, treeY); } WE MUST ENSURE THAT THE VALUES OF THESE VARIABLE ARE ALWAYS THE SAME AS THE COORDINATES OF THE APPROPRIATE DRAWINGS.

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This page is part of a section of lecture slides related to " Java "Choice" Components " within the topic "Conditionas and Choices in Java". Other slides within this section and other sections of slides for the topic "Conditionas and Choices in Java" can be accessed using the links below. Conditional Instructions in Java A Responsive Image Map Conditional Execution THE "if" STATEMENT Simplifying the Geometry A Simple Conditional Statement Relational Operators MORE COMPLEX CONDITIONS Accounting for the "State" Fixing the "State" Remembering the "State" Conditionals as Choices The "else" Clause Java "Choice" Components "Choice" Components Credits Determining a Choice's Setting Handling "Choice" Events A Bit More History Name that "State" Remembering the Coordinates Updating the Coordinate Variables Resetting the Sliders