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java 常用工具类,作为 apache-commons的补充

There is a newer version: 5.3.2302

package com.centit.support.algorithm;

/**
 * Created by codefan on 17-9-7.
 */
@SuppressWarnings("unused")
public abstract  class GeneralAlgorithm {

    private GeneralAlgorithm() {
        throw new IllegalAccessError("Utility class");
    }

    public static  T nvl(T obj, T obj2){
        return obj==null ? obj2 : obj;
    }

    public static  T nvl2(Object obj, T obj2, T obj3){
        return obj==null ? obj3 : obj2;
    }
}