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Programming
Write a static method named xo that accepts an integer size as a parameter and prints a square of size by size characters, where all characters are "o" except that an "x" pattern of "x" characters has been drawn from the corners of the square. In other words, on the first line, the first and last characters are "x"; on the second line, the second and second-from-last characters are "x"; and so on. If 0 or less is passed for the size, no output should be produced.
The following table lists some calls to your method and their expected output:
Ulysses Grant
An American military leader and the 18th President of the United States, who led the Union Army to victory during the Civil War and worked during his presidency to integrate the reconstructed states into the nation.
Europe Tour
A journey or series of visits to multiple countries in Europe, often for leisure, education, or cultural exploration.
Hero of Freedom
An individual recognized for their significant contributions, often through personal sacrifice or activism, toward the advancement of liberty and freedom for a group or society as a whole.
Union Army
The land force that fought for the Union during the American Civil War, comprised mainly of troops from the Northern states.
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