How to Add ArrayList into Another ArrayList Java Code
In this tutorial you will learn How to Add ArrayList into Another ArrayList Java Code. Very simple program for beginners.
ArrayList> nodes = new ArrayList >(); ArrayList nodeList = new ArrayList (); ArrayList nodeList2 = new ArrayList (); ArrayList getResults = new ArrayList (); //add data nodeList.add(200); nodeList.add(300); nodeList2.add(201); nodeList2.add(301); //add arraylist into main arraylist nodes.add(nodeList); nodes.add(nodeList2); getResults = nodes.get(0); //get arraylist from main arraylist System.out.println(getResults.get(0));
How to Add ArrayList into Another ArrayList Java Code
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