Oracle 1Z0-803 exam sample questions Passtcert

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Share some Java and Middleware 1Z0-803 exam questions and answers below.
Given the code fragment: 
String valid = "true"; 
if (valid) System.out.println (“valid”); 
else system.out.println ("not valid"); 
What is the result? 
A.Valid 
B.not valid 
C.Compilation fails 
D.An IllegalArgumentException is thrown at run time 
Answer: C 

Given the code fragment: 
int [] [] array2D = {{0, 1, 2}, {3, 4, 5, 6}}; 
system.out.print (array2D[0].length+ "" ); 
system.out.print(array2D[1].getClass().isArray() + ""); 
system.out.println (array2D[0][1]); 
What is the result? 
A.3false1 
B.2true3 
C.2false3 
D.3true1 
E.3false3 
F.2true1 
G.2false1 
Answer: D

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