Interface inheritance in Java
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interface IShape {
int getArea();
}
class Square implements IShape {
public int sideLength;
public Square(int sideLength) {
this.sideLength = sideLength;
}
public int getArea() {
return sideLength * sideLength;
}
}
Square square = new Square(5);
int area = square.getArea();
//area is 25
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