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ArrayList ?

ArrayList ? Java ????????????????????????????????????????????????????????

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ArrayList ?????????????

????????????????? ArrayList ??????

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ArrayList ????????????????

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ArrayList ?????????????????

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??????? ArrayList ????

import java.util.ArrayList;public class ArrayListExample {    public static void displayResult(ArrayList
    list) {        System.out.println("ArrayList");        System.out.println("\tCount: " + list.size());        System.out.println("\tCapacity: " + list.capacity());        System.out.println("\tValues:");        Object obj;        for (obj = list.get(0); obj != null; obj = list.get(i++)) {            System.out.println("\t\t" + obj);        }        System.out.println();    }    public static void main(String[] args) {        ArrayList
   
     myAL1 = new ArrayList<>();        myAL1.add("Hello ");        myAL1.add("World");        myAL1.add("!");        displayResult(myAL1);        System.out.println("----------------------");        ArrayList
    
      myAL2 = new ArrayList<>(myAL1);        displayResult(myAL2);        System.out.println("----------------------");        ArrayList
     
       myAL3 = new ArrayList<>(20);        displayResult(myAL3);        System.out.println("----------------------");        ArrayList
      
        myAL4 = new ArrayList<>(20).repeat("Hello", 4);        displayResult(myAL4);        System.out.println("----------------------");        System.out.read();    }}
      
     
    
   

?????????????? ArrayList ????????????????????????????????

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