point2.java

来自「Java Application, Circle test」· Java 代码 · 共 50 行

package circle;
public class Point2 {
  protected int x;  // x part of coordinate pair
 protected int y;  // y part of coordinate pair

 // no-argument constructor
 public Point2()
 {
    // implicit call to Object constructor occurs here
 }

 // constructor
 public Point2( int xValue, int yValue )
 {
    // implicit call to Object constructor occurs here
    x = xValue;  // no need for validation
    y = yValue;  // no need for validation
 }

 // set x in coordinate pair
 public void setX( int xValue )
 {
    x = xValue;  // no need for validation
 }

 // return x from coordinate pair
 public int getX()
 {
    return x;
 }

 // set y in coordinate pair
 public void setY( int yValue )
 {
    y = yValue;  // no need for validation
 }

 // return y from coordinate pair
 public int getY()
 {
    return y;
 }

 // return String representation of Point2 object
 public String toString()
 {
    return "[" + x + ", " + y + "]";
 }

} // end class Point2