Dynamic Array, Java

Dynamic Array

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public class DynamicArray {

public static void main (String[] args){
ArrayList<Integer> data = new ArrayList<>();
System.out.println("Panjang data awal: "+data.size());
for (int i = 0; i < 10; i++){
data.add(i * 10);
}
System.out.println("\nPanjang data setelah ditambah elemen: "+data.size());
for (int i = 0; i < data.size(); i++){
System.out.println("elemen ke - " + i + " : " + data.get(i));
}
System.out.println("\nApakah array list kosong: "+data.isEmpty());
System.out.println("\nMencari indeks dari suatu nilai di dalam array list: ");
System.out.println(data.indexOf(60)); System.out.println(data.indexOf(70));
System.out.println("\nMemeriksa keberadaan suatu nilai di dalam array list: ");
System.out.println(data.contains(60)); System.out.println(data.contains(70));
System.out.println("\nUpdate nilai di dalam array list: ");
data.set(6, 600); data.set(7, 700);
System.out.println(data.get(6)); System.out.println(data.get(7));
System.out.println("\nMenghapus suatu nilai di dalam array list: ");
data.remove(6); data.remove(6);
System.out.println("\nPanjang data setelah menghapus beberapa elemen: "+data.size());
for (int i = 0; i < data.size(); i++){
System.out.println("elemen ke - " + i + " : " + data.get(i));

[ + ] Show input
Compilation time: 0.53 sec, absolute service time: 0,68 sec

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Error(s), warning(s):

source_file.java:1: error: class, interface, or enum expected
public static void main (String[]
              ^
source_file.java:8: error: class, interface, or enum expected
int i = 0; i < 10; i ++){
           ^
source_file.java:8: error: class, interface, or enum expected
int i = 0; i < 10; i ++){
                   ^
source_file.java:15: error: class, interface, or enum expected
int i = 0; i < data.size (); i
           ^
source_file.java:15: error: class, interface, or enum expected
int i = 0; i < data.size (); i
                             ^
source_file.java:17: error: unclosed string literal
elemen ke --" + i + " : " + data.get i
                        ^
source_file.java:21: error: class, interface, or enum expected
System.out.println
^
source_file.java:22: error: unclosed string literal
nMencari indeks dari suatu nilai di dalam array list: ");
                                                      ^
source_file.java:24: error: class, interface, or enum expected
data.indexOf (60)); System.out.println data.indexOf (70 ));
                    ^
source_file.java:25: error: class, interface, or enum expected
System.out.println
^
source_file.java:26: error: unclosed string literal
nMemeriksa keberadaan suatu nilai di dalam array list: ");
                                                       ^
source_file.java:28: error: class, interface, or enum expected
data.contains (60)); System.out.println data.contains (
                     ^
source_file.java:30: error: unclosed string literal
nUpdate nilai di dalam array list: ");
                                   ^
source_file.java:32: error: class, interface, or enum expected
(6, 600); data.set (7, 700);
          ^
source_file.java:33: error: class, interface, or enum expected
System.out.println
^
source_file.java:34: error: class, interface, or enum expected
data.get (6)); System.out.println data.get (7 ));
               ^
source_file.java:35: error: class, interface, or enum expected
System.out.println
^
source_file.java:36: error: unclosed string literal
nMenghapus suatu nilai di dalam array list: ");
                                            ^
source_file.java:38: error: class, interface, or enum expected
(6); data.remove (6);
     ^
source_file.java:39: error: class, interface, or enum expected
System.out.println
^
source_file.java:42: error: class, interface, or enum expected
int i = 0; i < data.size (); i
           ^
source_file.java:42: error: class, interface, or enum expected
int i = 0; i < data.size (); i
                             ^
source_file.java:44: error: unclosed string literal
elemen ke --" + i + " : " + data.get i
                        ^
23 errors

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