Java Collection, ArrayList Exercises: Clone an array list to another array list
Java Collection, ArrayList Exercises: Exercise-16 with Solution
Write a Java program to clone an array list to another array list.
Pictorial Presentation:

Sample Solution:-
Java Code:
import java.util.ArrayList;
import java.util.Collections;
public class Exercise16 {
public static void main(String[] args) {
ArrayList<String> c1= new ArrayList<String>();
c1.add("Red");
c1.add("Green");
c1.add("Black");
c1.add("White");
c1.add("Pink");
System.out.println("Original array list: " + c1);
ArrayList<String> newc1 = (ArrayList<String>)c1.clone();
System.out.println("Cloned array list: " + newc1);
}
}
Sample Output:
Note: Exercise16.java uses unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details. Original array list: [Red, Green, Black, White, Pink] Cloned array list: [Red, Green, Black, White, Pink]
Flowchart:

Java Code Editor:
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Java: Tips of the Day
getEnumMap
Converts to enum to Map where key is the name and value is Enum itself.
public static <E extends Enum<E>> Map<String, E> getEnumMap(final Class<E> enumClass) { return Arrays.stream(enumClass.getEnumConstants()) .collect(Collectors.toMap(Enum::name, Function.identity())); }
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