这个题让我更加明白了类创建对象的实质 代码中用到:1.对象作形参;2.对象作返回值 以下用代码具体分析: class Point1{ public double x; public double y; Point1(){} public Point1(double x,double y){ this.x=x; this.y=y; } public void show(){ System.out.println("x="+x+","+"y="+y)
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