System: clearProperty(String key) : System « java.lang « Java by API






System: clearProperty(String key)

    

public class Main {
  public static void main(String[] a) {
    String oldValue = System.clearProperty("java.class.path");
    System.setProperty("user.dir", "C:/MyProg");
    System.out.println(System.getProperty("user.dir"));
  }
}

   
    
    
    
  








Related examples in the same category

1.System.exit(int status)
2.System.in
3.System.in.read()
4.System.out
5.System: arraycopy(Object src, int srcPos, Object dest, int destPos, int length)
6.System: console()
7.System: currentTimeMillis()
8.System: getenv(String key)
9.System: getProperty(String name)
10.System.getProperty ("user.dir")
11.System: getProperty(String key, String def)
12.System: getProperties()
13.System.identityHashCode(Object x)
14.System: nanoTime()
15.System.setErr(PrintStream err)
16.System: setIn(InputStream in)
17.System: setOut(PrintStream err)
18.System: setProperty(String key, String value)