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')

• 2 votes170 views2 answers

  Java get year month day hour minute second

  Java
• 3 votes155 views1 answer

  Find maven version

  Java
• 1 vote161 views1 answer

  Java convert java.util.Date to LocalDate

  Java
• 1 vote162 views1 answer

  How to print text into jframe

  Java
• -2 votes193 views2 answers

  Conver str to in java

  Java
• 0 vote152 views1 answer

  Convert list of dto to map java

  Java
• 0 vote228 views1 answer

  Java show error dialog

  Java
• 0 vote178 views1 answer

  How to put array in array list stack overflow

  Java
• 0 vote221 views2 answers

  How to read returned arraylist from another class method

  Java
• 7 votes164 views3 answers

  Java copy array

  Java