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private static void demo3(){ String jversion = System.getProperty("java.version"); String oName = System.getProperty("os.name"); String osVersion = Sy 阅读全文
posted @ 2022-05-25 17:35
alcasd
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摘要:
private static void demo2(){ long start = System.currentTimeMillis(); int temp = 0; for (int i=0;i<100000000;i++){ temp++; } long end = System.current 阅读全文
posted @ 2022-05-25 17:33
alcasd
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