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Deep is Strings inside ArrayList inside ArrayList inside ArrayList !
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public class Deep { | |
public static ArrayList<ArrayList<ArrayList<String>>> deep; | |
public static void main (String args[]) { | |
deep = new ArrayList<ArrayList<ArrayList<String>>>(); | |
System.out.println(deep); | |
addOuterArray(); | |
addInnerArray(0); | |
addInnerString("John",0,0); | |
addInnerString("Steven",0,0); | |
System.out.println(deep); | |
addInnerArray(0); | |
addInnerString("Mack",0,1); | |
addInnerString("William",0,1); | |
System.out.println(deep); | |
addOuterArray(); | |
addInnerArray(1); | |
addInnerString("Miley",1,0); | |
addInnerString("Sam",1,0); | |
System.out.println(deep); | |
addInnerArray(1); | |
addInnerString("David",1,1); | |
addInnerString("Dora",1,1); | |
System.out.println(deep); | |
} | |
public static void addInnerString (String n, int i, int x) { | |
deep.get(i).get(x).add(n); | |
} | |
public static void addInnerArray (int i) { | |
deep.get(i).add(new ArrayList<String>()); | |
} | |
public static void addOuterArray () { | |
deep.add(new ArrayList<ArrayList<String>>()); | |
} | |
public static String getStringAt (int i, int x, int y) { | |
return deep.get(i).get(x).get(y); | |
} | |
} |
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