package com.concretepage;
import java.util.ArrayList;
public class ArrayListofArrayList {
public static void main(String[] args) {
int a = 5;
ArrayList<ArrayList<Integer>> arrayListMain = new ArrayList<ArrayList<Integer>>(a);
ArrayList<Integer> aList1 = new ArrayList<Integer>();
aList1.add(1);aList1.add(2);aList1.add(3);aList1.add(4);
arrayListMain.add(aList1);
ArrayList<Integer> aList2 = new ArrayList<Integer>();
aList2.add(5);
arrayListMain.add(aList2);
for (int i = 0; i < arrayListMain.size(); i++) {
System.out.println("arrayListMain Size is " + arrayListMain.size() + " b ");
for (int j = 0; j < arrayListMain.get(i).size(); j++) {
System.out.print("arrayListMain.get(i).size is " + arrayListMain.get(i).size() + " b ");
System.out.print(arrayListMain.get(i).get(j) + " a ");
}
System.out.println();
}
}
}
import java.util.ArrayList;
public class ArrayListofArrayList {
public static void main(String[] args) {
int a = 5;
ArrayList<ArrayList<Integer>> arrayListMain = new ArrayList<ArrayList<Integer>>(a);
ArrayList<Integer> aList1 = new ArrayList<Integer>();
aList1.add(1);aList1.add(2);aList1.add(3);aList1.add(4);
arrayListMain.add(aList1);
ArrayList<Integer> aList2 = new ArrayList<Integer>();
aList2.add(5);
arrayListMain.add(aList2);
for (int i = 0; i < arrayListMain.size(); i++) {
System.out.println("arrayListMain Size is " + arrayListMain.size() + " b ");
for (int j = 0; j < arrayListMain.get(i).size(); j++) {
System.out.print("arrayListMain.get(i).size is " + arrayListMain.get(i).size() + " b ");
System.out.print(arrayListMain.get(i).get(j) + " a ");
}
System.out.println();
}
}
}
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