Java Memory Used usedMemoryMB()

Description

Get used memory in megabytes

License

Apache License

Return

free memory in megabytes

Declaration

public static double usedMemoryMB() 

Method Source Code

//package com.java2s;
/*/*from   www. j  a  va 2s. c  om*/
 * Copyright [2013-2014] eBay Software Foundation
 *  
 * 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.
 */

public class Main {
    /**
     * Get used memory in megabytes
     * 
     * @return free memory in megabytes
     */
    public static double usedMemoryMB() {
        return megaBytes(Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
    }

    /**
     * Get megabytes
     */
    private static double megaBytes(long bytes) {
        return bytes / 1024.0 / 1024.0;
    }
}

Related

1. usedMemory()
2. usedMemory()
3. usedMemory(Runtime runtime)
4. usedMemoryAsString()
5. usedMemorym()
6. usedMemoryPercents()
7. usedMemoryRatio()
8. useMemoryLimitOver()