Java first index of an arraylist

• 0 vote347 views1 answer

  Android canvas line thickness

  Java
• -1 vote308 views1 answer

  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')

  Java
• 0 vote309 views1 answer

  Android api 21 join list of strings

  Java
• 0 vote358 views2 answers

  Spring tag library in jsp header

  JavaSpring
• 0 vote317 views1 answer

  Changing background color of selected item in recyclerview

  Java
• 15 votes341 views2 answers

  Java time

  Java
• 0 vote318 views1 answer

  Findng and replacing duplicate values in an array

  Java
• 2 votes344 views1 answer

  Java.lang.arrayindexoutofboundsexception: index 3 out of bounds for length 3

  Java
• 0 vote359 views1 answer

  Java random double between 0 and 1

  Java
• 0 vote291 views1 answer

  How to check instance

  Java