Java Programming - Package

Pack01.java

class Pack01 {
    public static void main(String[] args) {
        Pack02.Obj02 obj2 = new Pack02.Obj02();
        Pack02.Pack03.Obj03 obj3 = new Pack02.Pack03.Obj03();
        System.out.println("Pack01");

        System.out.println(obj2.GetObjName());
        obj3.GetObjName();
    }
}

Obj02.java

package Pack02;

public class Obj02 {
    public static void main(String[] args) {
        // do nothing;
    }

    public string GetObjName() {
        return "Obj02";
    }
}

Obj03.java

package Pack02.Pack03;

public class Obj03 {
    public static void main(String[] args) {
        // do nothing
    }

    public void GetObjname() {
        System.out.println("Obj03");
    }
}

javac Pack01.java

compile

or javac Pack02\Obj02.java

compile

or javac Pack02\Pack03\Obj03.java

compile

java Pack01

Pack01
Obj02
Obj03

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