import java.util.Objects;
 
class Ideone {
 
    public static void main (String[] args) {
        Loop.from(0).to(10).execute(() -> {
            System.out.println("Hello World!");
        });
    }
}
 
class Loop {
    private final int from;
    private final int to;
 
    private Loop(Builder builder) {
        this.from = builder.from();
        this.to = builder.to();
    }
 
    public static Builder from(int from) {
        return new Builder().from(from);
    }
 
    public static Builder to(int to) {
        return new Builder().to(to);
    }
 
    public void execute(Runnable executable) {
        for (int i = from; i < to; i++) {
            executable.run();
        }
    }
 
    pupblic static class Builder {
        private int from = 0;
        private Integer to = null;
 
        private Builder() {}
 
        public Builder from(int from) {
            this.from = from;
            return this;
        }
 
        private int from() {
            return from;
        }
 
        public Builder to(int to) {
            this.to = to;
            return this;
        }
 
        private int to() {
            return to;
        }
 
        public void execute(Runnable runnable) {
            Objects.requireNonNull(runnable);
            new Loop(this).execute(runnable);
        }
    }
}