Example usage for java.util Collection isEmpty

Introduction

In this page you can find the example usage for java.util Collection isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this collection contains no elements.

Usage

From source file:Main.java

public static boolean isCollectionEmpty(Collection col) {
    return col == null || col.isEmpty();
}

From source file:Main.java

/**
 * Checks whether given collection is not null or non-empty.
 * @param c Colletion instance//from w w  w  . jav a 2s  .  c o m
 * @return true if not null or non-empty, otherwise false;
 */
public static boolean isNullOrEmpty(Collection c) {
    return c == null || c.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Collection<?> c) {
    if (c == null || c.isEmpty()) {
        return true;
    }// w w w .j  av  a2 s.  c  om
    return false;
}

From source file:Main.java

public static <T> boolean isEmpty(Collection<T> c) {
    if (c == null || c.isEmpty()) {
        return true;
    }/*from  ww w  .  j  av  a2 s  .  c o m*/
    return false;
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static boolean isEmpty(Collection c) {
    return null == c || c.isEmpty();
}

From source file:Main.java

/**
 * Checks whether given collection is not null or non-empty.
 * @param c Colletion instance/*from   www . ja v  a  2 s .c  o  m*/
 * @return true if not null or non-empty, otherwise false;
 */
public static boolean isNonEmpty(Collection c) {
    return c != null && !c.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Collection c) {
    return c == null || c.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Collection set) {
    return set == null || set.isEmpty();
}

From source file:Main.java

public static <T> boolean isEmpty(Collection<T> c) {
    return c == null || c.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Collection coll) {
    return coll == null || coll.isEmpty();
}