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Groovy example source code file (objinst.java)

This example Groovy source code file (objinst.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

io, ioexception, ioexception, nthtoggle, nthtoggle, text, toggle, toggle, util

The Groovy objinst.java source code

// $Id: objinst.java,v 1.1 2004-05-23 07:14:28 bfulgham Exp $
// http://www.bagley.org/~doug/shootout/
// Collection class code is from my friend Phil Chu, Thanks Phil!

import java.io.*;
import java.util.*;
import java.text.*;

class Toggle {
    boolean state = true;
    public Toggle(boolean start_state) {
	this.state = start_state;
    }
    public boolean value() {
	return(this.state);
    }
    public Toggle activate() {
	this.state = !this.state;
	return(this);
    }
}

class NthToggle extends Toggle {
    int count_max = 0;
    int counter = 0;

    public NthToggle(boolean start_state, int max_counter) {
	super(start_state);
	this.count_max = max_counter;
	this.counter = 0;
    }
    public Toggle activate() {
	this.counter += 1;
	if (this.counter >= this.count_max) {
	    this.state = !this.state;
	    this.counter = 0;
	}
	return(this);
    }
}

public class objinst {
    public static void main(String args[]) throws IOException {
	int n = Integer.parseInt(args[0]);
	Toggle toggle1 = new Toggle(true);
	for (int i=0; i<5; i++) {
	    System.out.println((toggle1.activate().value()) ? "true" : "false");
	}
	for (int i=0; i<n; i++) {
	    Toggle toggle = new Toggle(true);
	}

	System.out.println("");
	
	NthToggle ntoggle1 = new NthToggle(true, 3);
	for (int i=0; i<8; i++) {
	    System.out.println((ntoggle1.activate().value()) ? "true" : "false");
	}
	for (int i=0; i<n; i++) {
	    NthToggle toggle = new NthToggle(true, 3);
	}
    }
}

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