Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.support.annotation.Nullable;
import android.text.TextUtils;

import java.util.Collection;

import java.util.Map;

public class Main {
    @Nullable
    public static Class getComponentClass(Collection<?> list) {
        return isEmpty(list) ? null : list.iterator().next().getClass();
    }

    public static <T> boolean isEmpty(T[] array) {
        return array == null || array.length == 0;
    }

    public static boolean isEmpty(int[] array) {
        return array == null || array.length == 0;
    }

    public static boolean isEmpty(long[] array) {
        return array == null || array.length == 0;
    }

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

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

    public static boolean isEmpty(String string) {
        return TextUtils.isEmpty(string);
    }

    public static boolean isEmpty(CharSequence cs) {
        return cs == null || cs.length() == 0;
    }
}