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How to create an array of Object in Java
Array of Object class can be created which can accept any type of object. During operation on such array, instanceof operator can be used.
Example
public class Tester { public static void main(String[] args) { Object[] dataArray = new Object[3]; dataArray[0] = new Integer(0); dataArray[1] = new String("1"); dataArray[2] = new Boolean(false); for(Object data: dataArray){ if(data instanceof Integer){ System.out.println(((Integer) data).intValue()); } if(data instanceof String){ System.out.println(data); } if(data instanceof Boolean){ System.out.println(((Boolean) data).booleanValue()); } } } }
Output
0 1 false
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