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BAEL-4387 Add files to handle Array to ArrayList convertion

This commit is contained in:
Sebastian Luna 2020-07-21 21:30:17 -05:00
parent a71fe082f8
commit 7f1acd21bf
1 changed files with 33 additions and 0 deletions
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33
java-collections-conversions-2/src/main/java/com/baeldung/arrayconvertion/ArrayToListConversion.java Normal file
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package com.baeldung.arrayconvertion;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class ArrayToListConversion {
public static void main(String[] args) {
System.out.println("Array.asList()");
arrayAsList();
System.out.println("\nArrayList<>(Arrays.asList())");
independentArray();
}
private static void arrayAsList() {
String[] stringArray = new String[] { "A", "B", "C", "D" };
List<String> stringList = Arrays.asList(stringArray);
System.out.println(stringList); // [A, B, C, D]
stringList.set(0, "E");
System.out.println(stringList); // [E, B, C, D]
System.out.println(Arrays.toString(stringArray)); // [E, B, C, D]
}
private static void independentArray() {
String[] stringArray = new String[] { "A", "B", "C", "D" };
List<String> stringList = new ArrayList<>(Arrays.asList(stringArray));
System.out.println(stringList); // [A, B, C, D]
stringList.set(0, "E");
System.out.println(stringList); // [E, B, C, D]
System.out.println(Arrays.toString(stringArray)); // [A, B, C, D]
}
}