public static void main ( String args [ ] ) {
  int [ ] [ ] mat = new int [ ] [ ] {
    {
      1 , 2 , 3 , 4 }, {
        5 , 6 , 7 , 8 }, {
          9 , 10 , 11 , 12 }, {
            13 , 14 , 15 , 16 }
          };
          int k = 2 ;
          shiftMatrixByK ( mat , k ) ;
        }
        
public static void main ( String args [ ] ) { int [ ] [ ] mat = new int [ ] [ ] { { 1 , 2 , 3 , 4 } , { 5 , 6 , 7 , 8 } , { 9 , 10 , 11 , 12 } , { 13 , 14 , 15 , 16 } } ; int k = 2 ; shiftMatrixByK ( mat , k ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions) value: (array_initializer (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)) (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)) (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)) (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))