PN$09$

$"$

java.util $*$

$2\{$

$//$

$//$ QUIT $$ String constant $$: quit$$

$//$ COLS $$: $3$

$($String$[]$args$)$

$\{$

$//$ ArrayList $()$

$//$ initStudents $()$

$//$:

$//$

$//$

$//$ initScores $()$

$//$ showStudentScores $()$

System.out.println$("""")$

$\}$

$//$ initStudents $$::

$//1-$ ArrayList $$

$//$

$//$

$//$ static String constant $$ quit $$

$//()$

$//$ ArrayList $$ id $$

$//$ initScores $$:

$//$:

$//$ ArrayList

$//$ twp$-$

$//2-$d $$

$//$

$//$

$//$: $$

$//2-$d $$

$//2-$d $$