Class java.lang.Integer cannot be cast to class java.lang.Long (java.lang.Integer and java.lang.Long are in module java.base of loader 'bootstrap')

• 25 votes325 views3 answers

  Check last character of a string java

  Java
• 4 votes350 views2 answers

  Remove action bar android studio

  Java
• 0 vote387 views1 answer

  JFrame frame = new JFrame ();

  Java
• 1 vote375 views1 answer

  Why java is popular

  Java
• 1 vote339 views1 answer

  How to preset a list java

  Java
• 0 vote303 views2 answers

  We would like to make a member of a class can access in all subclasses regardless of what package the subclass is in. Which one of the following keywords would achieve this?

  Java
• 0 vote344 views1 answer

  $JAVA_HOME ENV

  Java
• 0 vote344 views1 answer

  Create thread

  Java
• 1 vote379 views1 answer

  How to constraint layout parm programmatically in android

  Java
• 0 vote340 views4 answers

  Java loop through array

  Java