Java Java运算符

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public class  Test {
	public static void main(String[] args) {
		int startIndex = 1999999999;
		int stopIndex = 999999999;
		
		int middle = (startIndex+stopIndex)/2;
		int middle2 = (startIndex+stopIndex)>>>1;
		System.out.println(middle);
		System.out.println(middle2);
	}
}