package test;
public class test {
private double r,h;
public test(){
this.r=4;
this.h=5;
}
private double getVolume(){
return 3.14*r*r*h;
}
public void showVolume(){
System.out.println(getVolume());
}
public static void main(String[] args) {
test t=new test();
t.showVolume();
}
}
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