Question
What is the output of the following program?
public class Question {
public static void main(String args[]) {
String s1 = "abc";
String s2 = "def";
String s3 = s1.concat(s2.toUpperCase( ) );
System.out.println(s1+s2+s3);
}
}

a. abcdefabcdef

b. abcabcDEFDEF

c. abcdefabcDEF

d. None of the above
Answers
c.   Your Comment




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