Java Array Max Value max(Long john, Long... jane)

Description

Replaces null with 0l

License

Apache License

Parameter

Parameter	Description
john	a parameter

Return

long

Declaration

public static long max(Long john, Long... jane) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**/*ww  w.  j  av a  2 s  .c  o m*/
     * Replaces null with 0l
     * 
     * @param john
     * @return long
     */
    public static long max(Long john, Long... jane) {
        if (jane == null) {
            throw new IllegalArgumentException("jane == null");
        }

        long jill = checkNull(john);

        for (Long jack : jane) {
            jill = Math.max(checkNull(jack), jill);
        }

        return jill;
    }

    /**
     * Replaces null with 0l
     * 
     * @param john
     * @return long
     */
    public static String checkNull(String bean) {
        return bean == null ? "" : bean;
    }

    /**
     * Replaces null with 0l
     * 
     * @param john
     * @return long
     */
    public static long checkNull(Long john) {
        return john == null ? 0l : john.longValue();
    }
}

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