Create array in java

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class ArraySample{
	public static void main(String[] args) {
		int[] ia = new int[101];
		for (int i = 0; i < ia.length; i++)
			ia[i] = i;
		int sum = 0;
		for (int i = 0; i < ia.length; i++)
			sum += ia[i];
		System.out.println(sum);
	}
}
output: 5050

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