class Codeaft
{
    public static void main(String args[])
    {
        int size=Integer.MAX_VALUE;
        System.out.println(size);
        String[] s=new String[size];
    }
}

codeaft@codeaft:~$ javac Codeaft.java
codeaft@codeaft:~$ java Codeaft
2147483647
Exception in thread "main" java.lang.OutOfMemoryError: Requested array size exceeds VM limit
    at Codeaft.main(Codeaft.java:7)
codeaft@codeaft:~$ 

class Codeaft
{
    public static void main(String args[])
    {
        int size=Integer.MAX_VALUE;
        try
        {
            String[] s=new String[size];
        }
        catch(OutOfMemoryError e)
        {
            System.out.println("Array overflow");
            System.out.println(e.toString());
        }
    }
}

codeaft@codeaft:~$ javac Codeaft.java
codeaft@codeaft:~$ java Codeaft
Array overflow
java.lang.OutOfMemoryError: Requested array size exceeds VM limit
codeaft@codeaft:~$