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  1.  
  2.  
  3. import java.util.ArrayList;
  4. import java.util.Iterator;
  5. import java.util.List;
  6. import java.util.Scanner;
  7.  
  8. class Testing {
  9.  
  10.     private static Scanner sc;
  11.  
  12.     @SuppressWarnings({"unchecked", "rawtypes"})
  13.     public static void main(String[] args) {
  14.  
  15.         ////////////////////////////////////Variables/////////////////////////////////////
  16.  
  17.         String[] string;
  18.         Integer[] integer = new Integer[5];
  19.         Boolean[] bool = new Boolean[5];
  20.         Byte[] by = new Byte[5];
  21.         Double[] doub = new Double[5];
  22.  
  23.         sc = new Scanner(System.in);
  24.  
  25.  
  26.         /////////////////////////////////////Inputs///////////////////////////////////////
  27.  
  28.         System.out.println("Enter an Array of String : ");
  29.         string = sc.nextLine().split("[ ]");                //Entering dynamic String inputs for the String Types
  30.  
  31.         System.out.println("Enter an Array of Integer : ");
  32.         for (int i = 0; i < integer.length; i++) {
  33.             integer[i] = sc.nextInt();                      //Entering dynamic Integer inputs for the Integer Types
  34.         }
  35.  
  36.         System.out.println("Enter an Array of Boolean : ");
  37.         for (int i = 0; i < bool.length; i++) {
  38.             bool[i] = sc.nextBoolean();                     //Entering dynamic Boolean inputs for the Boolean Types
  39.         }
  40.  
  41.         System.out.println("Enter an Array of Byte : ");
  42.         for (int i = 0; i < by.length; i++) {
  43.             by[i] = sc.nextByte();                          //Entering dynamic Byte inputs for the Byte Types
  44.         }
  45.  
  46.         System.out.println("Enter an Array of Double : ");
  47.         for (int i = 0; i < doub.length; i++) {
  48.             doub[i] = sc.nextDouble();                      //Entering dynamic Double inputs for the Double Types
  49.         }
  50.  
  51.  
  52.         ////////////////////////////////////Operations///////////////////////////////////////
  53.  
  54.         ArrayList a1 = new ArrayList<String>();
  55.         a1.add(string);                                 //Inserting string array into ArrayList a1
  56.  
  57.         ArrayList a2 = new ArrayList<Integer>();
  58.         a2.add(integer);                                //Inserting integer array into ArrayList a2
  59.  
  60.         ArrayList a3 = new ArrayList<Boolean>();
  61.         a3.add(bool);                                   //Inserting bool array into ArrayList a3
  62.  
  63.         ArrayList a4 = new ArrayList<Byte>();
  64.         a4.add(by);                                     //Inserting by array into ArrayList a4
  65.  
  66.         ArrayList a5 = new ArrayList<Double>();
  67.         a5.add(doub);                                   //Inserting doub array into ArrayList a5
  68.  
  69.         ArrayList AL = new ArrayList<>();
  70.         AL.add(a1);                                     //Adding ArrayList a1 to the ArrayList AL
  71.         AL.add(a2);                                     //Adding ArrayList a2 to the ArrayList AL
  72.         AL.add(a3);                                     //Adding ArrayList a3 to the ArrayList AL
  73.         AL.add(a4);                                     //Adding ArrayList a4 to the ArrayList AL
  74.         AL.add(a5);                                     //Adding ArrayList a5 to the ArrayList AL
  75.  
  76.         System.out.println("Done");
  77.  
  78.         /////////////////////////////////////Displaying Output/////////////////////////////////////
  79.  
  80.         for (Object object : AL) {
  81.             ArrayList temp = (ArrayList) object;
  82.             for (Object innerObject : temp) {
  83.                 if (innerObject instanceof String[]) {
  84.                     printArray((String[]) innerObject);
  85.                 } else if (innerObject instanceof Integer[]) {
  86.                     printArray((Integer[]) innerObject);
  87.                 } else if (innerObject instanceof Byte[]) {
  88.                     printArray((Byte[]) innerObject);
  89.                 } else if (innerObject instanceof Boolean[]) {
  90.                     printArray((Boolean[]) innerObject);
  91.                 } else if (innerObject instanceof Double[]) {
  92.                     printArray((Double[]) innerObject);
  93.                 }
  94.             }
  95.         }
  96.     }
  97.  
  98.     private static void printArray(Object[] obj) {
  99.         for (Object ob : obj) {
  100.             System.out.print(ob + ",");
  101.         }
  102.         System.out.println();
  103.     }
  104. }
Success #stdin #stdout 0.14s 31192KB
comments (?)
stdin 
1 2 3 4 5
1 2 3 4 5
true true true true true
1 2 3 4 5
1 2 3 4 5
stdout 
Enter an Array of String : 
Enter an Array of Integer : 
Enter an Array of Boolean : 
Enter an Array of Byte : 
Enter an Array of Double : 
Done
1,2,3,4,5,
1,2,3,4,5,
true,true,true,true,true,
1,2,3,4,5,
1.0,2.0,3.0,4.0,5.0,
https://ideone.com/uNgGQ0
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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