Write a method that returns all strings from an array list of a given length, without changing the original array list. Complete the following code. ArrayListUtil.java 1 import java.util.ArrayList; 2 3 public class ArrayListUtil 4 { 5 /** Gets all strings from an array list of a given length. @param words an array list of strings @param wordLength the length of the words to get @return an array list with the words of length wordLength * / public static . . . wordsOfLength(. . . words, { 6 7 8 9 10 11 . wordLength) 12 13 } 15 } 14 Tester.java 1 import java.util.ArrayList; 3 public class Tester 4 { public static void main(String[] args) { ArrayList words = new ArrayList(); words.add("Mary"); words.add("had"); words.add ("a"); words.add ("little"); words.add("lamb"); words.add("its"); words.add("fleece"); words.add("was"); words.add("white"); words.add("as"); words.add("snow"); 5 7 8 9 10 11 12 13 14 15 16 17 18 19 System.out.println(ArrayListUtil.words0fLength(words, 3)); System.out.println("Expected: [had, its, was]"); System.out.println (ArrayListUtil.words0fLength(words, 6)); System.out.println("Expected: [little, fleece]"); System.out.println(ArrayListUtil.words0fLength(words, 7)); System.out.println("Expected: []"); // Check that words hasn't been changed System.out.println(words); System.out.println ("Expected: [Mary, had, a, little, lamb, its, fleece, was," 20 21 22 23 24 25 26 27 28 29 + white, as, snow]"); } 31 } 30
Write a method that returns all strings from an array list of a given length, without changing the original array list. Complete the following code. ArrayListUtil.java 1 import java.util.ArrayList; 2 3 public class ArrayListUtil 4 { 5 /** Gets all strings from an array list of a given length. @param words an array list of strings @param wordLength the length of the words to get @return an array list with the words of length wordLength * / public static . . . wordsOfLength(. . . words, { 6 7 8 9 10 11 . wordLength) 12 13 } 15 } 14 Tester.java 1 import java.util.ArrayList; 3 public class Tester 4 { public static void main(String[] args) { ArrayList words = new ArrayList(); words.add("Mary"); words.add("had"); words.add ("a"); words.add ("little"); words.add("lamb"); words.add("its"); words.add("fleece"); words.add("was"); words.add("white"); words.add("as"); words.add("snow"); 5 7 8 9 10 11 12 13 14 15 16 17 18 19 System.out.println(ArrayListUtil.words0fLength(words, 3)); System.out.println("Expected: [had, its, was]"); System.out.println (ArrayListUtil.words0fLength(words, 6)); System.out.println("Expected: [little, fleece]"); System.out.println(ArrayListUtil.words0fLength(words, 7)); System.out.println("Expected: []"); // Check that words hasn't been changed System.out.println(words); System.out.println ("Expected: [Mary, had, a, little, lamb, its, fleece, was," 20 21 22 23 24 25 26 27 28 29 + white, as, snow]"); } 31 } 30
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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![Write a method that returns all strings from an array list of a given length, without changing the original array list. Complete the following code.
ArrayListUtil.java
1 import java.util.ArrayList;
2
3 public class ArrayListUtil
4 {
5
/**
Gets all strings from an array list of a given length.
@param words an array list of strings
@param wordLength the length of the words to get
@return an array list with the words of length wordLength
* /
public static . . . wordsOfLength(. . . words,
{
6
7
8
9
10
11
. wordLength)
12
13
}
15 }
14
Tester.java
1 import java.util.ArrayList;
3 public class Tester
4 {
public static void main(String[] args)
{
ArrayList<String> words = new ArrayList<String>();
words.add("Mary");
words.add("had");
words.add ("a");
words.add ("little");
words.add("lamb");
words.add("its");
words.add("fleece");
words.add("was");
words.add("white");
words.add("as");
words.add("snow");
5
7
8
9
10
11
12
13
14
15
16
17
18
19
System.out.println(ArrayListUtil.words0fLength(words, 3));
System.out.println("Expected: [had, its, was]");
System.out.println (ArrayListUtil.words0fLength(words, 6));
System.out.println("Expected: [little, fleece]");
System.out.println(ArrayListUtil.words0fLength(words, 7));
System.out.println("Expected: []");
// Check that words hasn't been changed
System.out.println(words);
System.out.println ("Expected: [Mary, had, a, little, lamb, its, fleece, was,"
20
21
22
23
24
25
26
27
28
29
+
white, as, snow]");
}
31 }
30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3200e892-7b83-4670-8aa5-c4c84f2a6adb%2F3711a1a8-23e9-479a-9e07-93c6c6e2adb9%2Fluilpi.png&w=3840&q=75)
Transcribed Image Text:Write a method that returns all strings from an array list of a given length, without changing the original array list. Complete the following code.
ArrayListUtil.java
1 import java.util.ArrayList;
2
3 public class ArrayListUtil
4 {
5
/**
Gets all strings from an array list of a given length.
@param words an array list of strings
@param wordLength the length of the words to get
@return an array list with the words of length wordLength
* /
public static . . . wordsOfLength(. . . words,
{
6
7
8
9
10
11
. wordLength)
12
13
}
15 }
14
Tester.java
1 import java.util.ArrayList;
3 public class Tester
4 {
public static void main(String[] args)
{
ArrayList<String> words = new ArrayList<String>();
words.add("Mary");
words.add("had");
words.add ("a");
words.add ("little");
words.add("lamb");
words.add("its");
words.add("fleece");
words.add("was");
words.add("white");
words.add("as");
words.add("snow");
5
7
8
9
10
11
12
13
14
15
16
17
18
19
System.out.println(ArrayListUtil.words0fLength(words, 3));
System.out.println("Expected: [had, its, was]");
System.out.println (ArrayListUtil.words0fLength(words, 6));
System.out.println("Expected: [little, fleece]");
System.out.println(ArrayListUtil.words0fLength(words, 7));
System.out.println("Expected: []");
// Check that words hasn't been changed
System.out.println(words);
System.out.println ("Expected: [Mary, had, a, little, lamb, its, fleece, was,"
20
21
22
23
24
25
26
27
28
29
+
white, as, snow]");
}
31 }
30
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