8284893: Fix typos in java.base

Reviewed-by: iris, wetmore, lancea, mullan, naoto

src/java.base/share/classes/java/net/DatagramSocket.java

@@ -176,7 +176,7 @@ import sun.nio.ch.DefaultSelectorProvider;
  *    // optionally configure multicast TTL; the TTL defines the scope of a
  *    // multicast datagram, for example, confining it to host local (0) or
  *    // link local (1) etc...
- *    int ttl = ...; // a number betwen 0 and 255
+ *    int ttl = ...; // a number between 0 and 255
  *    sender.setOption(StandardSocketOptions.IP_MULTICAST_TTL, ttl);
  *
  *    // send a packet to a multicast group

src/java.base/share/classes/java/net/Inet6Address.java

@@ -387,7 +387,7 @@ class Inet6Address extends InetAddress {
         holder6 = new Inet6AddressHolder();
         try {
             initif (hostName, addr, null);
-        } catch (UnknownHostException e) {} /* cant happen if ifname is null */
+        } catch (UnknownHostException e) {} /* can't happen if ifname is null */
     }
 
     Inet6Address (String hostName, byte[] addr, NetworkInterface nif)

src/java.base/share/classes/java/net/URL.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -723,7 +723,7 @@ public final class URL implements java.io.Serializable {
         String protocol = uri.getScheme();
 
         // In general we need to go via Handler.parseURL, but for the jrt
-        // protocol we enforce that the Handler is not overrideable and can
+        // protocol we enforce that the Handler is not overridable and can
         // optimize URI to URL conversion.
         //
         // Case-sensitive comparison for performance; malformed protocols will