base/IsPositive.java


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class IsPositive{
    public static void main(String[] a){
        System.out.println(new Positive().isPositive(10));
    }
}

class Positive {
    public boolean isPositive(int num){
        boolean positive ;

        if (0 < num)
            positive = true ;
        else
            positive = false ;
        return positive ;
    }
}

class Positive2 extends Positive {
    public boolean isPositive(int num){
        boolean positive ;

        if (0 < num)
            positive = true ;
        else
            positive = false ;
        return positive ;
    }
}