Notifications You must be signed in to change notification settings Java String Class Methods The java.lang.String class provides a lot of built-in methods that are used to manipulate string in Java.
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase (java.util.Locale)' on a null object reference #7772 Closed AkashRatanpara opened on Apr ...
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