Range Class Implementation In Java

A Range represents an interval—a set of values with a beginning and an end. Java does not have a Range util class. Here is an implementation of this class. It uses generics so, any object that implements the comparable interface should work well with it.

package com.rushis.util;
 
public class Range<T extends Comparable<T>> {
	private T start=null;
	private T end=null;
 
	public Range(T start, T end) {
		if(start.compareTo(end)!=-1){
			throw new IllegalArgumentException();
		}
		this.start = start;
		this.end = end;
	}
 
	public T getStart() {
		return this.start;
	}
 
	public T getEnd() {
		return this.end;
	}
 
	public boolean contains(T obj) {
		return (start.compareTo(obj)<=0 && end.compareTo(obj)>=0);
	}
}

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Range Class Implementation In Java

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