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Commit247fc64

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factory pattern
1 parentd1a24bf commit247fc64

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6 files changed

+71
-0
lines changed

6 files changed

+71
-0
lines changed
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packagedesignPatterns.factory_pattern;
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publicclassCircleimplementsShape {
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@Override
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publicvoiddraw() {
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System.out.println("Inside Circle::draw() method.");
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}
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}
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packagedesignPatterns.factory_pattern;
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publicclassMainApp {
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publicstaticvoidmain(String...args){
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ShapeFactoryshapeFactory =newShapeFactory();
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Shapeshape =shapeFactory.getShapeType("circle");
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shape.draw();
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shape =shapeFactory.getShapeType("Rectangle");
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shape.draw();
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shape =shapeFactory.getShapeType("Square");
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shape.draw();
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}
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}
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packagedesignPatterns.factory_pattern;
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publicclassRectangleimplementsShape {
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@Override
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publicvoiddraw() {
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System.out.println("Inside Rectangle::draw() method.");
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}
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}
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packagedesignPatterns.factory_pattern;
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publicinterfaceShape {
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voiddraw();
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}
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packagedesignPatterns.factory_pattern;
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publicclassShapeFactory {
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publicShapegetShapeType(StringshapeType){
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if(shapeType ==null){
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returnnull;
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}
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if(shapeType.equalsIgnoreCase("Circle")){
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returnnewCircle();
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}elseif(shapeType.equalsIgnoreCase("Square")){
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returnnewSquare();
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}elseif (shapeType.equalsIgnoreCase("Rectangle")){
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returnnewRectangle();
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}
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returnnull;
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}
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}
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packagedesignPatterns.factory_pattern;
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publicclassSquareimplementsShape {
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@Override
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publicvoiddraw() {
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System.out.println("Inside Square::draw() method.");
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}
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}

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