Java priority queue get first element

• 0 vote194 views1 answer

  Java class in dataweave

  Java
• 0 vote204 views1 answer

  Variable is multiple of 3

  Java
• -1 vote201 views1 answer

  Annotation spring notnull

  Java
• 0 vote176 views1 answer

  Equals java compare to

  Java
• 0 vote188 views1 answer

  Dot operator java

  Java
• 0 vote270 views1 answer

  [08001] Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections. java.net.ConnectException: Connection refused: connect.

  Java
• 2 votes210 views1 answer

  Java custom color

  Java
• 0 vote211 views2 answers

  Has places api got deprecated???

  Java
• 18 votes212 views2 answers

  Java android show toast

  Java
• 0 vote194 views1 answer

  Why enable multidex android

  Java