在cytoscape插件中使用jung2

Question

public class xyz {

    public double i;

    public xyz(double a) {
        i=a;
    }
}

public class pqr {

    public double j;

    public pqr(double b) {
        j=b;
    }
} 

public class trans extends xyz {

    public pqr toPqr;

    public trans(double a) {
        super(a);
        toPqr = new pqr(i);
    }
}

然后mytrans.topqr.j指向mytrans.i

如果我为其中任何一个指定了新值，那么mytrans.I将发生变化

如果我更改mytrans.I，那么在mytrans.topqr.j中可以看到

Answer 1

好吧，我正在寻找的是有一种方法来定义类trans，它扩展了类xyz，所以如果我有，例如

public class xyz {

    public String r;
    public double i;

    public xyz(String a, double b) {
        r=a;
        i=b;
    }
}

和

public class pqr {
    public String s;
    public double j;

    public pqr(String a, double b) {
        s=a;
        j=b;
    }
}

和

public class trans extends xyz {

    public pqr toPqr; //adding a new field of type pqr

    trans(xyz myXyz) {
        super(myXyz.r, myXyz.i);
        //code
    }
}

那么如果

xyz xyzA = new xyz("a",8); // constructor for two fields string r and double s

和（重铸？）

xyzA = new trans(xyzA); // trans takes an xyz object as constructor arg

所以