How to get file path in java

First type:

File f = new File(this.getClass().getResource("/").getPath());
System.out.println(f);

Result:

C:\Documents%20and%20Settings\Administrator\workspace\projectName\bin

Get the project where the current class is located path.

If "/" is not added

File f = new File(this.getClass().getResource("").getPath());
System.out.println(f);

Result:

C:\Documents%20and%20Settings\Administrator\workspace\projectName\bin\com\test

Get the absolute path of the current class.

Second type:

File directory = new File("");//参数为空
String courseFile = directory.getCanonicalPath();
System.out.println(courseFile);

Result:

C:\Documents and Settings\Administrator\workspace\projectName

Get the project path of the current class.

Third method:

URL xmlpath = this.getClass().getClassLoader().getResource("selected.txt");
System.out.println(xmlpath);

Result:

file:/C:/Documents%20and%20Settings/Administrator/workspace/projectName/bin/selected.txt

Get the path to the selected.txt file in the src directory of the current project.

Fourth method:

System.out.println(System.getProperty("user.dir"));

Result:

C:\Documents and Settings\Administrator\workspace\projectName

Get the current project path.

Fifth method:

System.out.println( System.getProperty("java.class.path"));

Result:

C:\Documents and Settings\Administrator\workspace\projectName\bin

Get the current project path.

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