2_03_030421217.java

开始学JAVA老师布置的作业一学期的哦希望新手有用

public class Exer2_3
{
    int x,y;
    
	Exer2_3()
	{
		this(2,2);
	}

	Exer2_3(int a,int b)
	{
		x=a;
		y=b;
	}

	void output()
	{
	  System.out.println("x="+x);
	  System.out.println("y="+y);
	}

	public static void main(String[] args)
	{
		//Exer2_3 ex = new Exer2_3(3,3);
		  Exer2_3 ex = new Exer2_3();
		ex.output();
	}
}