11942 - Lumberjack Sequencing - Java

 import java.io.BufferedReader;  
 import java.io.File;  
 import java.io.FileInputStream;  
 import java.io.IOException;  
 import java.io.InputStream;  
 import java.io.InputStreamReader;  
 import java.util.StringTokenizer;  
 public class LumberjackSequencing {  
      enum Direction {undef, up, down};  
      public static void main(String[] args) throws Exception {  
           Reader.init(System.in);  
           //Reader.init(new FileInputStream(new File("input.in")));  
           int noOfTestCases = Reader.nextInt();  
           System.out.println("Lumberjacks:");  
           for(int i = 1; i <= noOfTestCases; i++) {  
                Direction dir = Direction.undef;  
                int previousVal;  
                int currentVal;  
                int j = 0;  
                boolean ordered = true;  
                previousVal = Reader.nextInt();  
                while(dir == Direction.undef && j < 9) {  
                     currentVal = Reader.nextInt();  
                     if(previousVal > currentVal) dir = Direction.down;  
                     else if(previousVal < currentVal) dir = Direction.up;  
                     j++;  
                     previousVal = currentVal;  
                     //System.out.println("DEBUG: Testcase " + i + "Dir: " + dir.toString() );  
                }  
                for(; j < 9; j++) {  
                     currentVal = Reader.nextInt();  
                     if(dir == Direction.down) {  
                          //System.out.println("DEBUG: currJack: " + j + "Dir: " + dir.toString() + " curVal:" + currentVal + " prevVal:" + previousVal);  
                          if(previousVal < currentVal) ordered = false;  
                     } else if (dir == Direction.up) {  
                          if(previousVal > currentVal) ordered = false;  
                     }  
                     previousVal = currentVal;  
                }  
                if(ordered) System.out.println("Ordered");  
                else System.out.println("Unordered");  
           }  
      }  
 }  
 /** Class for buffered reading int and double values */  
 /** http://www.cpe.ku.ac.th/~jim/java-io.html */  
 class Reader {  
      static BufferedReader reader;  
      static StringTokenizer tokenizer;  
      /** call this method to initialize reader for InputStream */  
      static void init(InputStream input) {  
           reader = new BufferedReader(new InputStreamReader(input));  
           tokenizer = new StringTokenizer("");  
      }  
      /** get next word */  
      static String next() throws IOException {  
           while ( ! tokenizer.hasMoreTokens() ) {  
                //TODO add check for eof if necessary  
                tokenizer = new StringTokenizer(reader.readLine());  
           }  
           return tokenizer.nextToken();  
      }  
      static int nextInt() throws IOException {  
           return Integer.parseInt( next() );  
      }  
      static double nextDouble() throws IOException {  
           return Double.parseDouble( next() );  
      }  
 }