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java比較大小方法 java求兩點(diǎn)距離?

java求兩點(diǎn)距離?public class Point{private double x private double y public Point(double x,double y){this.

java求兩點(diǎn)距離?

public class Point{private double x private double y public Point(double x,double y){this.x=x this.y=y}public double getDistance(Point p){doubleu x=數(shù)學(xué).abs(this.x-p.x)doubleu y=數(shù)學(xué).abs(this.y-p.y)返回?cái)?shù)學(xué).sqrt(u x*u xu y*u y)}公共靜態(tài)void main(String[]args){Point p1=new Point(5,5)Point p2=new點(diǎn)(10,10)系統(tǒng)輸出打?。╬2.getDistance(p1))}

公共類點(diǎn){

雙x1,x2,y1,y2

雙d,x3,y3

點(diǎn)(雙x1,雙y1,雙x2,雙y2){//測試點(diǎn)(){//x3=(x1 x2)/2

y3=(y1 y2)/2

d=數(shù)學(xué).sqrt((x1-x2)*(x1-x2)(y1-y2)*(y1-y2))系統(tǒng)輸出打?。ā埃ā眡3“,”y3“)”)系統(tǒng)輸出打?。╠)

}

public static void main(String[]args){

Point p=new點(diǎn)(1,1,2,2)