Question: What is output by the code below? String[] x; x = new String[7]; x[1] = go; x[4] = up; x[2] = x[4]; x[4] = null;

What is output by the code below? String[] x; x = new String[7]; x[1] = "go"; x[4] = "up"; x[2] = x[4]; x[4] = null; System.out.println( x[2] );Required to answer. Single choice. A. go

B. up

C. by

D. null

E. at

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