Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2007 The Guava Authors
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.support.annotation.Nullable;

import java.util.List;

public class Main {
    public static <T> List<T> assertNotNullOrNotEmpty(List<T> reference, @Nullable Object errorMessage) {
        if (reference == null || reference.isEmpty()) {
            throw new IllegalArgumentException(String.valueOf(errorMessage));
        }
        return reference;
    }
}