public?class?MyPoint?{
private?int?x=0;
private?int?y=0;
public?int?getX（）?{
	return?x;
}
public?void?setX（int?x）?{
	this.x?=?x;
}
public?int?getY（）?{
	return?y;
}
public?void?setY（int?y）?{
	this.y?=?y;
}
public?MyPoint（）{
	this.x=0;
	this.y=0;
}
public?MyPoint（int?xint?y）{
	this.x=x;
	this.y=y;
}
public?int[]getXY（）{
	int?[]array={xy};
	return?array;
}
public?void?setXY（int?xint?y）{
	this.x=x;
	this.y=y;
}
public?String?toString（）{
	String?s=“（“+getX（）+““+getY（）+“）“;
	return?s;
}
public?double?distance（int?xint?y）{
	int?xDiff?=?this.x-x;
	???int?yDiff?=this.y-y;
	???return?Math.sqrt（xDiff*xDiff?+?yDiff*yDiff）;
}
public?double?distance（MyPoint?another）{
	int?xDiff?=?this.x-another.x;
	int?yDiff?=this.y-another.y;
	return?Math.sqrt（xDiff*xDiff?+?yDiff*yDiff）;
}
public?double?distance（）{
	return?Math.sqrt（x*x+?y*y）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-09-18?20:02??Assignment2-ex1\
?????文件?????????307??2018-09-18?20:02??Assignment2-ex1\.classpath
?????文件?????????391??2018-09-18?20:02??Assignment2-ex1\.project
?????目錄???????????0??2018-09-18?20:02??Assignment2-ex1\.settings\
?????文件?????????603??2018-09-18?20:02??Assignment2-ex1\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2018-09-26?20:04??Assignment2-ex1\bin\
?????文件????????1835??2018-09-26?20:04??Assignment2-ex1\bin\MyPoint.class
?????文件????????1721??2018-09-26?20:04??Assignment2-ex1\bin\TestMyPoint.class
?????目錄???????????0??2018-09-18?21:08??Assignment2-ex1\src\
?????文件?????????887??2018-09-25?14:57??Assignment2-ex1\src\MyPoint.java
?????文件????????1318??2018-09-25?14:57??Assignment2-ex1\src\TestMyPoint.java