What is the output of the following code? public class Test {public static void

Question

What is the output of the following code? public class Test {public static void main(String[] args) {String s1 = new String ("Welcome to Java!'), String s2 - s1 toUpperCase(); if (s1 - s2) System out println("s1 and s2reference to the same String object"}; else if (s1 equals(s2)) System out println(s1 and s2have the same contents"); else System .outprintln ("s1 ands2have different contents');} A. s1 and s2 reference to the same String object B. s1 and s2 have the same contents C. s1 and s2 have different contents The following program displays___. public class Test {public static void main(String[] args) {String s = "Java". StringBuilder buffer - newStringBuilder(s); change(s). System .out println (s);} private static void change (String s) {s = s + "and HTML", } A. Java B. Java and HTML C. and HTML D. nothing is displayed what is displayed by the following code? String[] tokens = "A, B, C, D" split(*[]"); for(inti - 0; i

Explanation / Answer

Q35.

   s1 = Welcome to Java!
   s2 = WELCOME TO JAVA!

   So, ans: c. s1 and s2 have different value

Q36.
   s = Java
   buffer = Java

   Ans. a. Java

   Because in change method, we are playing with its local variable and strings are immutable

Q37.
   ans: b. A B C D

   split methods split the string based on provided delimeters and it returns the array of items only, ignores delimeter

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