增加注释
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@ -1,5 +1,9 @@
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package chapter5;
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/**
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* 获取当前时间
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*/
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public class Example11 {
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public static void main(String[] args) {
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long startTime = System.currentTimeMillis();
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@ -3,6 +3,9 @@ package chapter5;
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import java.util.Enumeration;
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import java.util.Properties;
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/**
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* 获取系统信息
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*/
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public class Example12 {
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public static void main(String[] args) {
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// 获取当前系统信息
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@ -15,3 +18,4 @@ public class Example12 {
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}
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}
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}
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