Java Collection Empty isEmpty(final Collection c)

Description

Check if a collection of a string is empty.

License

Apache License

Parameter

Parameter	Description
c	a parameter

Declaration

public static boolean isEmpty(final Collection<String> c) 

Method Source Code

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

import java.util.Collection;

public class Main {
    /**//from   w ww  .j  a v  a2  s  .  c o  m
     * Check if a collection of a string is empty.
     *
     * @param c
     * @return
     */
    public static boolean isEmpty(final Collection<String> c) {
        if (c == null || c.isEmpty()) {
            return false;
        }
        for (final String text : c) {
            if (isNotEmpty(text)) {
                return false;
            }
        }
        return true;
    }

    /**
     * Check if a string is empty.
     *
     * @param text
     * @return
     */
    public static final boolean isEmpty(final String text) {
        return text == null || text.length() == 0;
    }

    /**
     * Check if a collection of a string is not empty.
     *
     * @param c
     * @return
     */
    public static boolean isNotEmpty(final Collection<String> c) {
        return !isEmpty(c);
    }

    /**
     * Check if a string is not empty.
     *
     * @param text
     * @return
     */
    public static final boolean isNotEmpty(final String text) {
        return !isEmpty(text);
    }
}

Related

1. isEmpty(final Collection collection)
2. isEmpty(final Collection collection)
3. isEmpty(final Collection collection)
4. isEmpty(final Collection collection)
5. isEmpty(final Collection value)
6. isEmpty(final Collection c)
7. isEmpty(final Collection collection)
8. isEmpty(final Collection source)
9. isEmpty(final Collection v)