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class Bisection2{

private static double final EPS = le-8; // •279:=7:= private double a = 0.0, b = 1.5, root; // a=P4/:8 02g5 public double getRoot(}{return root;} // hO:26 629:N0N private double f(double x)

{

return x*x*x - 3*x*x + 3;

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private void bisect(){

double y = 0.0; do{

root = 0.5 *(= + b); @ = f(root); if(Math.abs(y) < EPS) break;

//•2487; 37=>6O7/>. i/S26/R2 83 _/PgN

//lPj2 7= P87_5S @86483P= [a; root]

//QN7P_85 R=b 48378 37=P/:

if(f(=) * y < 0.0} b = root;

//@/S26/:;, P2487; :N:

//•O4O729/R2 P4=0PN b N P4=0PN root //s 042:/@72RN @/0=6PN:

else a = root;

//0O4O729/R2 P4=0PN = @ P4=0PN root

//•4262@^NbR2, 02P/ [=; ‚] 7O 9:=7O R=g/>

}while(Math.abs(b-a) >= EPS);

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public static void main(String[] args){ Bisection2 b2 = new Bisection2(); b2.bisect();

System.out.println("x = " +

b2.getRoot() + // a@O4:=bR295 62 P24O75 ]O4O3 RO:26 629:N0N

", f() = " +b2.f(b2.getRoot()));

} }

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abstract class Pet{ abstract void voice();

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class Dog extends Pet{ int k = 10;

void voice(){ System.out.printin("Gav-gav!");

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class Cat extends Pet{ void voice() {

System.out.printin("Miaou!");

}

}

class Cow extends Pet{ void voice(){

System.out.printin("Mu-u-u!");

}

}

public class Chorus(

public static void main(String[] args){ Pet[] singer = new Pet[3]; singer[0] = new Dog();

singer[1] = new Cat(); singer[2] = new Cow();

for(int i = 0; i < singer.length; i++) singer[i].voice();

}

}

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