Method arraycopy

classpath/java/lang/System.java:47–48

(Object src, int srcOffset, Object dst,
                                      int dstOffset, int length)

    = new BufferedInputStream(new FileInputStream(FileDescriptor.in));

  public static native void arraycopy(Object src, int srcOffset, Object dst,
                                      int dstOffset, int length);

  public static String getProperty(String name) {
    return (String) Static.properties.get(name);