Read the input one line at a time and output the current line if and only if it is larger than any other line read so far or strictly smaller than the previously outputted line. (Here, smaller is with respect to the usual order on Strings, as defined by String.compareTo()). you have to use arrylist and cant modify any code under public static void main(string[] args).  example: input 1 3 8 4 5 6 7 9 2 output: 1 3 8 4 9 2     import java.util.*; import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Stack; public class Part2 {         /**      * Your code goes here - see Part0 for an example      * @param r the reader to read from      * @param w the writer to write to      * @throws IOException      */     public static void doIt(BufferedReader r, PrintWriter w) throws IOException {         /*ArrayList arr = new ArrayList<>();         int count = 0;         String max = "0";         int len = 0;         for (String line = r.readLine(); line != null; line = r.readLine()) {                         arr.add(line);             if(arr.get(count).compareTo(max) > 0 ){                 max = arr.get(count);                 w.println(arr.get(count));             }             if(arr.get(count).length() > 1){                 if(arr.size()> 1){                     if(arr.get(count).length() >max.length()){                                             len = arr.get(count).length();                         max = arr.get(count);                         w.println(arr.get(count));                         System.out.println("1: " + arr.get(count));                     }                     if(arr.get(count).length() == arr.get(count - 1).length()){                         if(arr.get(count).length() >= len && arr.get(count).compareTo(max) > 0){                             max = arr.get(count);                             w.println(arr.get(count));                             System.out.println("2: " + arr.get(count));                         }                     }                     if(arr.get(count -1).compareTo(max) == 0 && arr.get(count).compareTo(arr.get(count -1)) < 0){                               w.println(arr.get(count));                         System.out.println("3: " + arr.get(count));                     }                 }             }             if(arr.size()> 1){                 if(arr.get(count).length() < 2){                     if(arr.get(count -1) == max && arr.get(count).compareTo(arr.get(count -1) )< 0){                                                 w.println(arr.get(count));                     System.out.println("4: " + arr.get(count));                     }                 }             }             count++;         }*/         //write your code here     }       /**      * The driver.  Open a BufferedReader and a PrintWriter, either from System.in      * and System.out or from filenames specified on the command line, then call doIt.      * @param args      */     public static void main(String[] args) {         try {             BufferedReader r;             PrintWriter w;             if (args.length == 0) {                 r = new BufferedReader(new InputStreamReader(System.in));                 w = new PrintWriter(System.out);             } else if (args.length == 1) {                 r = new BufferedReader(new FileReader(args[0]));                 w = new PrintWriter(System.out);                             } else {                 r = new BufferedReader(new FileReader(args[0]));                 w = new PrintWriter(new FileWriter(args[1]));             }             long start = System.nanoTime();             doIt(r, w);             w.flush();             long stop = System.nanoTime();             System.out.println("Execution time: " + 1e-9 * (stop-start));         } catch (IOException e) {             System.err.println(e);             System.exit(-1);         }     } }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Related questions
Question

Read the input one line at a time and output the current line if and only if it is larger
than any other line read so far or strictly smaller than the previously outputted line. (Here,
smaller is with respect to the usual order on Strings, as defined by String.compareTo()). you have to use arrylist and cant modify any code under public static void main(string[] args). 

example: input

1
3
8
4
5
6
7
9
2

output:

1
3
8
4
9
2

 

 

import java.util.*;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Stack;
public class Part2 {
   
    /**
     * Your code goes here - see Part0 for an example
     * @param r the reader to read from
     * @param w the writer to write to
     * @throws IOException
     */
    public static void doIt(BufferedReader r, PrintWriter w) throws IOException {
        /*ArrayList<String> arr = new ArrayList<>();
        int count = 0;
        String max = "0";
        int len = 0;
        for (String line = r.readLine(); line != null; line = r.readLine()) {
           
            arr.add(line);
            if(arr.get(count).compareTo(max) > 0 ){
                max = arr.get(count);
                w.println(arr.get(count));
            }
            if(arr.get(count).length() > 1){
                if(arr.size()> 1){
                    if(arr.get(count).length() >max.length()){
                   
                        len = arr.get(count).length();
                        max = arr.get(count);
                        w.println(arr.get(count));
                        System.out.println("1: " + arr.get(count));
                    }
                    if(arr.get(count).length() == arr.get(count - 1).length()){
                        if(arr.get(count).length() >= len && arr.get(count).compareTo(max) > 0){
                            max = arr.get(count);
                            w.println(arr.get(count));
                            System.out.println("2: " + arr.get(count));
                        }
                    }
                    if(arr.get(count -1).compareTo(max) == 0 && arr.get(count).compareTo(arr.get(count -1)) < 0){      
                        w.println(arr.get(count));
                        System.out.println("3: " + arr.get(count));
                    }
                }
            }

            if(arr.size()> 1){
                if(arr.get(count).length() < 2){
                    if(arr.get(count -1) == max && arr.get(count).compareTo(arr.get(count -1) )< 0){        
                   
                    w.println(arr.get(count));
                    System.out.println("4: " + arr.get(count));
                    }
                }
            }
            count++;
        }*/
        //write your code here

    }

 
    /**
     * The driver.  Open a BufferedReader and a PrintWriter, either from System.in
     * and System.out or from filenames specified on the command line, then call doIt.
     * @param args
     */
    public static void main(String[] args) {
        try {
            BufferedReader r;
            PrintWriter w;
            if (args.length == 0) {
                r = new BufferedReader(new InputStreamReader(System.in));
                w = new PrintWriter(System.out);
            } else if (args.length == 1) {
                r = new BufferedReader(new FileReader(args[0]));
                w = new PrintWriter(System.out);                
            } else {
                r = new BufferedReader(new FileReader(args[0]));
                w = new PrintWriter(new FileWriter(args[1]));
            }
            long start = System.nanoTime();
            doIt(r, w);
            w.flush();
            long stop = System.nanoTime();
            System.out.println("Execution time: " + 1e-9 * (stop-start));
        } catch (IOException e) {
            System.err.println(e);
            System.exit(-1);
        }
    }
}

 

}
public static void main(String[] args) {
try {
}
BufferedReader r;
PrintWriter w;
if (args.length == 0) {
r = new BufferedReader (new InputStreamReader (System.in));
w = new PrintWriter(System.out);
} else if (args.length == 1) {
r = new Buffered Reader(new FileReader(args[0]));
w = new PrintWriter(System.out);
} else {
r = new Buffered Reader(new FileReader(args[0]));
w = new PrintWriter(new FileWriter(args[1]));
}
long start = System.nanoTime();
doIt(r, w);
w.flush();
long stop = System.nanoTime();
System.out.println("Execution time: + 1e-9 * (stop-start));
} catch (IOException e) {
System.err.println(e);
System.exit(-1);
Transcribed Image Text:} public static void main(String[] args) { try { } BufferedReader r; PrintWriter w; if (args.length == 0) { r = new BufferedReader (new InputStreamReader (System.in)); w = new PrintWriter(System.out); } else if (args.length == 1) { r = new Buffered Reader(new FileReader(args[0])); w = new PrintWriter(System.out); } else { r = new Buffered Reader(new FileReader(args[0])); w = new PrintWriter(new FileWriter(args[1])); } long start = System.nanoTime(); doIt(r, w); w.flush(); long stop = System.nanoTime(); System.out.println("Execution time: + 1e-9 * (stop-start)); } catch (IOException e) { System.err.println(e); System.exit(-1);
import java.util.*;
import java.io. Buffered Reader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Stack;
public class Part2 {
* Your code goes here - see Parte for an example
* @param r the reader to read from
* @param w the writer to write to
* @throws IOException
*/
public static void doIt (Buffered Reader r, PrintWriter w) throws IOException {
ArrayList<String> arr = new ArrayList<>();
}
/**
* The driver. Open a Buffered Reader and a PrintWriter, either from System.in
* and System.out or from filenames specified on the command line, then call doIt.
* @param args
*/
Run | Debug
public static void main(String[] args) {
try {
Buffered Reader r;
PrintWriter w;
if (args.length == 0) {
r = new Buffered Reader(new InputStreamReader (System.in));
w = new PrintWriter(System.out);
} else if (args.length == 1) {
r = new Buffered Reader (new FileReader(args[0]));
w = new PrintWriter(System.out);
} else {
r = new BufferedReader(new FileReader(args[0]));
w = new PrintWriter(new FileWriter(args[1]));
}
long start = System.nanoTime();
doIt(r, w);
w.flush();
long stop = System.nanoTime();
System.out.println("Execution time: " + 1e-9 * (stop-start));
} catch (IOException e) {
System.err.println(e);
Transcribed Image Text:import java.util.*; import java.io. Buffered Reader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Stack; public class Part2 { * Your code goes here - see Parte for an example * @param r the reader to read from * @param w the writer to write to * @throws IOException */ public static void doIt (Buffered Reader r, PrintWriter w) throws IOException { ArrayList<String> arr = new ArrayList<>(); } /** * The driver. Open a Buffered Reader and a PrintWriter, either from System.in * and System.out or from filenames specified on the command line, then call doIt. * @param args */ Run | Debug public static void main(String[] args) { try { Buffered Reader r; PrintWriter w; if (args.length == 0) { r = new Buffered Reader(new InputStreamReader (System.in)); w = new PrintWriter(System.out); } else if (args.length == 1) { r = new Buffered Reader (new FileReader(args[0])); w = new PrintWriter(System.out); } else { r = new BufferedReader(new FileReader(args[0])); w = new PrintWriter(new FileWriter(args[1])); } long start = System.nanoTime(); doIt(r, w); w.flush(); long stop = System.nanoTime(); System.out.println("Execution time: " + 1e-9 * (stop-start)); } catch (IOException e) { System.err.println(e);
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