Part 2: import java.util.*; import java.util.stream.*; public class Demo { public static void main(String[] args) { String[] [] lst = { }; Stream stream = Arrays.stream (1st); System.out.println( stream .flatMap( arr -> Arrays.stream(arr) ) .collect( Collectors.toCollection ( Linked List:: new ) ) ); } { "a", "b" }, { "c", "d", "e", "f" } } Figure 2: Joining the elements from the array objects as a collection of objects Marks Allocation: Criteria Part 1: Marks 10 marks Base rule, recursive rule, list (head & tail), input argument list 8 marks - Query and output sample 2 marks 10 marks Base rule, recursive rule, list (head & tail), appropriate 8 marks condition - Query and output sample Part 2: 2 marks Total: 20 marks
Part 2: import java.util.*; import java.util.stream.*; public class Demo { public static void main(String[] args) { String[] [] lst = { }; Stream stream = Arrays.stream (1st); System.out.println( stream .flatMap( arr -> Arrays.stream(arr) ) .collect( Collectors.toCollection ( Linked List:: new ) ) ); } { "a", "b" }, { "c", "d", "e", "f" } } Figure 2: Joining the elements from the array objects as a collection of objects Marks Allocation: Criteria Part 1: Marks 10 marks Base rule, recursive rule, list (head & tail), input argument list 8 marks - Query and output sample 2 marks 10 marks Base rule, recursive rule, list (head & tail), appropriate 8 marks condition - Query and output sample Part 2: 2 marks Total: 20 marks
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
Related questions
Question
Analyse the following Java code in Figure 1 and 2. Rewrite the given program code using logic
![Part 2:
import java.util.*;
import java.util.stream.*;
public class Demo {
public static void main(String[] args) {
String[] [] lst = {
};
Stream<String []> stream = Arrays.stream (1st);
System.out.println( stream
.flatMap( arr -> Arrays.stream(arr) )
.collect( Collectors.toCollection ( LinkedList:: new ) )
);
}
{ "a", "b" }, { "c", "d", "e", "f" }
}
Figure 2: Joining the elements from the array objects as a collection of objects
Marks Allocation:
Criteria
Marks
10 marks
Part 1:
- Base rule, recursive rule, list (head & tail), input argument list 8 marks
Query and output sample
2 marks
10 marks
Base rule, recursive rule, list (head & tail), appropriate 8 marks
condition
Query and output sample
Part 2:
-
2 marks
Total: 20 marks](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde286395-b4c2-4204-997d-9c0d003524f7%2F56919a05-c9da-497f-bd84-2fc0604dfcc1%2F51i39fg_processed.png&w=3840&q=75)
Transcribed Image Text:Part 2:
import java.util.*;
import java.util.stream.*;
public class Demo {
public static void main(String[] args) {
String[] [] lst = {
};
Stream<String []> stream = Arrays.stream (1st);
System.out.println( stream
.flatMap( arr -> Arrays.stream(arr) )
.collect( Collectors.toCollection ( LinkedList:: new ) )
);
}
{ "a", "b" }, { "c", "d", "e", "f" }
}
Figure 2: Joining the elements from the array objects as a collection of objects
Marks Allocation:
Criteria
Marks
10 marks
Part 1:
- Base rule, recursive rule, list (head & tail), input argument list 8 marks
Query and output sample
2 marks
10 marks
Base rule, recursive rule, list (head & tail), appropriate 8 marks
condition
Query and output sample
Part 2:
-
2 marks
Total: 20 marks
![Part 1:
import java.util.*;
import java.util.stream.Collectors;
public class Filter {
public static List<Number> apply(
return
//
}
List<Number> lst, Double target) {
1st.stream()
}
public static void main(String[] args) {
Integer [] nums = new Integer[] {1,2,3,4,5,6,7,8,9};
Double [] nums = new Double [] {2.1, 3.2, 4.3,5.4,6.5, 7.6,8.7};
System.out.println(
Filter.apply( Arrays.asList (nums), 5.0 )
);
.mapToDouble ( Number: :doubleValue)
.filter( elem -> elem > target )
.boxed ()
.collect( Collectors. toCollection(
ArrayList:: new ) );
}
Figure 1: Filter the numeric elements based on target value](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde286395-b4c2-4204-997d-9c0d003524f7%2F56919a05-c9da-497f-bd84-2fc0604dfcc1%2Fhjcf67l_processed.png&w=3840&q=75)
Transcribed Image Text:Part 1:
import java.util.*;
import java.util.stream.Collectors;
public class Filter {
public static List<Number> apply(
return
//
}
List<Number> lst, Double target) {
1st.stream()
}
public static void main(String[] args) {
Integer [] nums = new Integer[] {1,2,3,4,5,6,7,8,9};
Double [] nums = new Double [] {2.1, 3.2, 4.3,5.4,6.5, 7.6,8.7};
System.out.println(
Filter.apply( Arrays.asList (nums), 5.0 )
);
.mapToDouble ( Number: :doubleValue)
.filter( elem -> elem > target )
.boxed ()
.collect( Collectors. toCollection(
ArrayList:: new ) );
}
Figure 1: Filter the numeric elements based on target value
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