We can use indexing to change the characters stored in an array, as long as the index remains within bounds of the array size. We can use a + to concatenate two String values together but cannot do ...

To do this, we start with a char array that holds the numbers 1-9, as so: Step 3: Print out the Tic-Tac-Toe board Every time a square is selected, we redraw the board. Since this is a simple console ...

* **Array:** is an array of character values in which the target value is searched. * **Target:** is the character value in the array to be searched for. **返回值:**该方法返回一个布尔值，说明目标字符值是否存在于指定的字符数组中。