[Solved] What will be the output of the program? String x = new String('xyz'); String y = 'abc'; x = x + y; How many String objects have been created? - Programming - Java Programming - Java.lang Class - Aptitude Exam Question and Answer

Java.lang Class

What will be the output of the program?

String x = new String('xyz');
String y = 'abc';
x = x + y;

How many String objects have been created?

A 2

B 3

C 4

D 5

ANS:A - 2

Line 1 creates two, one referred to by x and the lost String 'xyz'. Line 2 creates one (for a total of three). Line 3 creates one more (for a total of four), the concatenated String referred to by x with a value of 'xyzabc'.

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