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@ -17,48 +17,70 @@ import java.util.*; |
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*/ |
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public class TestUtil { |
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public static void main(String[] args) throws IOException { |
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// new TestUtil().showURL();
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// Document document = Jsoup.connect("https://www.oschina.net/").get();
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// System.out.println(document.body());
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// InetAddress address = InetAddress.getLocalHost();
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// String ip = address.getHostAddress().toLowerCase();
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// System.out.println(ip);
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new HashMap<>(8); |
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} |
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public void showURL() throws IOException, IOException { |
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// 第一种:获取类加载的根路径 D:\git\daotie\daotie\target\classes
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File f = new File(this.getClass().getResource("/").getPath()); |
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System.out.println(f); |
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// 获取当前类的所在工程路径; 如果不加“/” 获取当前类的加载目录 D:\git\daotie\daotie\target\classes\my
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File f2 = new File(this.getClass().getResource("").getPath()); |
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System.out.println(f2); |
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// 第二种:获取项目路径 D:\git\daotie\daotie
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File directory = new File("");// 参数为空
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String courseFile = directory.getCanonicalPath(); |
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System.out.println(courseFile); |
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// 第三种: file:/D:/git/daotie/daotie/target/classes/
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URL xmlpath = this.getClass().getClassLoader().getResource(""); |
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System.out.println(xmlpath); |
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// 第四种: D:\git\daotie\daotie
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System.out.println(System.getProperty("user.dir")); |
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/* |
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* 结果: C:\Documents and Settings\Administrator\workspace\projectName |
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* 获取当前工程路径 |
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*/ |
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// 第五种: 获取所有的类路径 包括jar包的路径
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System.out.println(System.getProperty("java.class.path")); |
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// public static void main(String[] args) throws IOException {
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//
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// // new TestUtil().showURL();
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// // Document document = Jsoup.connect("https://www.oschina.net/").get();
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// // System.out.println(document.body());
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// // InetAddress address = InetAddress.getLocalHost();
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// // String ip = address.getHostAddress().toLowerCase();
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// // System.out.println(ip);
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// new HashMap<>(8);
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// }
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//
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//
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// public void showURL() throws IOException, IOException {
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//
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// // 第一种:获取类加载的根路径 D:\git\daotie\daotie\target\classes
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// File f = new File(this.getClass().getResource("/").getPath());
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// System.out.println(f);
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//
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// // 获取当前类的所在工程路径; 如果不加“/” 获取当前类的加载目录 D:\git\daotie\daotie\target\classes\my
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// File f2 = new File(this.getClass().getResource("").getPath());
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// System.out.println(f2);
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//
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// // 第二种:获取项目路径 D:\git\daotie\daotie
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// File directory = new File("");// 参数为空
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// String courseFile = directory.getCanonicalPath();
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// System.out.println(courseFile);
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//
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//
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// // 第三种: file:/D:/git/daotie/daotie/target/classes/
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// URL xmlpath = this.getClass().getClassLoader().getResource("");
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// System.out.println(xmlpath);
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//
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//
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// // 第四种: D:\git\daotie\daotie
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// System.out.println(System.getProperty("user.dir"));
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// /*
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// * 结果: C:\Documents and Settings\Administrator\workspace\projectName
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// * 获取当前工程路径
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// */
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//
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// // 第五种: 获取所有的类路径 包括jar包的路径
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// System.out.println(System.getProperty("java.class.path"));
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//
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// }
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public static void main(String[] args) { |
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int [] a = new int[78]; |
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int [] b= new int[79]; |
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int [] result = new int[99*99]; |
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for (int i =0;i<a.length;i++){ |
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int sum = 0; |
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for (int j=0;i<b.length;i++){ |
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int aNum = a[i]; |
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int bNum = b[j]; |
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int sumNum = aNum*bNum; |
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sumNum += sum; |
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if (sumNum>10){ |
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sum = sumNum%10; |
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}else { |
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sum = 0; |
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} |
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result[j]= sumNum/10; |
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} |
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} |
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} |
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} |
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