java jvm及gc参数设置

通用类

package lddxfs.jvm.gclog;

import java.util.HashMap;
import java.util.Map;

/**
 * Author:lddxfs（lddxfs@qq.com;https://www.cnblogs.com/LDDXFS/）
 * Date:2018/10/15
 */
public class Common {
    public static Map<Integer, byte[]> map = new HashMap<>();

    public static void gcTest(String[] args) {
        for (int i = 0; i < 20; i++) {
            for (int j = 0; j < 20; j++) {
                map.put(i, new byte[1 * 1024 * 1024]);
            }
            map.clear();
        }
        map.clear();
    }
}

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