Assert object null. - Java java.lang

Java examples for java.lang:Assert

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Description

Assert object null.

Demo Code

/*/*w w  w.j a  v  a 2  s . c om*/
 * Copyright 2002-2016 the original author or 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.
 */
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        Object o = "java2s.com";
        String message = "java2s.com";
        notNull(o, message);
    }

    static void notNull(Object o, String message) {
        if (o == null) {
            throw new IllegalArgumentException(message);
        }
    }
}

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