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/**
* VM参数:-verbose:gc -Xms20M -Xmx20M -Xmn10M -XX:+PrintGCDetails -XX:SurvivorRatio=8
*/
public class MinorGc{
private static final int _1MB=1024*1024;
public static void testAllocation(){
byte[]allocation1,allocation2,allocation3,allocation4;
allocation1=new byte[2*_1MB];
allocation2=new byte[2*_1MB];
allocation3=new byte[2*_1MB];
allocation4=new byte[4*_1MB]; // 出现一次Minor GC
}
public static void main(String[] args) {
testAllocation();
}
}