public static void main ( String [ ] args ) {
  String arr [ ] = {
    "geeksforgeeks" , "geeks" , "geek" , "geezer" };
    int n = arr . length ;
    String ans = commonPrefix ( arr , n ) ;
    if ( ans . length ( ) > 0 ) {
      System . out . println ( "The longest common prefix is " + ans ) ;
    }
    else {
      System . out . println ( "There is no common prefix" ) ;
    }
  }
  
public static void main ( String [ ] args ) { String arr [ ] = { " geeksforgeeks " , " geeks " , " geek " , " geezer " } ; int n = arr . length ; String ans = commonPrefix ( arr , n ) ; if ( ans . length ( ) > 0 ) { System . out . println ( " The ▁ longest ▁ common ▁ prefix ▁ is ▁ " + ans ) ; } else { System . out . println ( " There ▁ is ▁ no ▁ common ▁ prefix " ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_initializer (string_literal) (string_literal) (string_literal) (string_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (identifier)))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))