Selection Algorithm Using Java

/**
 * Selection Algorithm
 * This function provide service for selection algorithm.
 *
 * @author  : irfanudin ridho
 * @email   : irfan.ub@gmail.com
 * @date    : December 29, 2010
 * @version : 1.0
 */

/**
 * Constructor service
 * @param data array of data
 */
function DataAlgorithm(data){
    this.data = data;
}

/**
 * function to get min value from the data
 * @return min value of the data
 */
DataAlgorithm.prototype.getMinValue = function(){

    return this.data[this.getMinValueIndex()];
};

/**
 * function to get max value from the data
 * @return max value of the data
 */
DataAlgorithm.prototype.getMaxValue = function(){
    return this.data[this.getMaxValueIndex()];
};

/**
 * function to get index of the min value
 * @return number index of the min value
 */
DataAlgorithm.prototype.getMinValueIndex = function(){
    var minIndex = this.data[0];
    for(i=0;i<this.data.length;i++){
        if(this.data[i+1]<this.data[minIndex]){
            minIndex = i+1;
        }
    }
    return minIndex;
};

/**
 * method to get index of the max value
 * @return number index of the max value
 */
DataAlgorithm.prototype.getMaxValueIndex = function(){
    var maxIndex = this.data[0];
    for(i=0;i<this.data.length;i++){
        if(this.data[i+1]>this.data[maxIndex]){
            maxIndex = i+1;
        }
    }
    return maxIndex;
};