The difference between expressions i++ and ++i in java

Difference:

i assigns a value first and then increments; i increments first and then assigns a value.

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For example:

        int i=0;
        System.out.println(i++);
        System.out.println(i++);

The first one prints out 0, the second one prints out 0 The first prints out 1

        int i=0;
        System.out.println(++i);
        System.out.println(++i);

The first prints out 1, the second prints out 2.

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