Example usage for java.util Map isEmpty

Introduction

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

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this map contains no key-value mappings.

Usage

From source file:Main.java

public static boolean isMapEmpty(Map<?, ?> map) {

    return map == null || map.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Map<?, ?> map) {
    return (map == null || map.isEmpty());
}

From source file:Main.java

public static final boolean isEmptyMap(Map<?, ?> map) {
    if (map == null || map.isEmpty()) {
        return true;
    }/*from w w  w.  j av a2 s .c o m*/

    return false;
}

From source file:Main.java

public static boolean isNullOrEmpty(Map<?, ?> map) {
    return map == null || map.isEmpty();
}

From source file:Main.java

public static String joinMap(Map<?, ?> map) {
    if (map.isEmpty()) {
        return "";
    }//from   w  w  w .  j ava  2s. c o  m
    StringBuilder stringBuilder = new StringBuilder();
    boolean notFirst = false;
    for (Map.Entry<?, ?> entry : map.entrySet()) {
        if (notFirst) {
            stringBuilder.append(',');
        }
        stringBuilder.append(entry.getKey().toString()).append(':').append(entry.getValue().toString());
        notFirst = true;
    }
    return stringBuilder.toString();
}

From source file:Main.java

public static String mapToString(Map<?, ?> map) {
    if (map.isEmpty()) {
        return "";
    }//from  w  w w  . j a v  a  2 s  . c o  m
    StringBuilder stringBuilder = new StringBuilder();
    boolean notFirst = false;
    for (Map.Entry<?, ?> entry : map.entrySet()) {
        if (notFirst) {
            stringBuilder.append(',');
        }
        stringBuilder.append(entry.getKey().toString()).append(':').append(entry.getValue().toString());
        notFirst = true;
    }
    return stringBuilder.toString();
}

From source file:Main.java

public static boolean isEmpty(Map<?, ?> map) {
    return (map == null) || map.isEmpty();
}

From source file:Main.java

public static boolean isEmpty(Map input) {
    return input == null || input.isEmpty();
}

From source file:Main.java

public static boolean empty(Map<?, ?> map) {
    return map == null || map.isEmpty();
}

From source file:Main.java

@SuppressWarnings("rawtypes")
public static boolean isEmpty(Map map) {
    return (map == null) || map.isEmpty();
}