Java 3 online test, online practice test, exam, quiz

Java 3 Online Test

The purpose of this online test is to help you evaluate your Java 3 knowledge yourself. These Multiple Choice Questions (MCQs) on Java 3 will prepare you for technical round of job interview, written test and many certification exams.

The test contains 22 questions and there is no time limit. You will get 1 point for each correct answer. You will get your online test score after finishing the complete test.
(Total 22 questions)        (Time spent 0:0)

1. class Test
{

public static void main(String [] args)
{
StringBuffer a = new StringBuffer("M");
StringBuffer b = new StringBuffer("N");
mergeData(a, b);
System.out.println(a+","+b);
}

static void mergeData(StringBuffer x,StringBuffer y)
{
x.append(y);
y = x;
}

}

What would be the output?

   View Test Answer

Online Practice Test

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