Core Java - Interview Questions and Answers for 'Method calling' | Search Interview Question

Core Java - Interview Questions and Answers for 'Method calling' - 3 question(s) found - Order By Newest

Q1. what will be the output of this code ?

public static void main(String[] args){
   StringBuffer s1=new StringBuffer("Buggy");
   test(s1);
   System.out.println(s1);
}

private static void test(StringBuffer s){
   s.append("Bread");
}

Core Java

Ans. BuggyBread

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_{Like Discuss Correct / Improve java code coding stringbuffer string method calling pass by reference}

Q2. what will be the output of this code ?

public static void main(String[] args)    {
   String s1=new String("Buggy");
   test(s1);
   System.out.println(s1);
}

private static void test(StringBuffer s){
   s.append("Bread");
}

Core Java

Ans. Buggy

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve java code coding stringbuffer string method calling pass by reference}

Q3. what will be the output of this code ?

public static void main(String[] args)    {
   StringBuffer s1=new StringBuffer("Buggy");
   test(s1);
   System.out.println(s1);
}

private static void test(StringBuffer s){
   s=new StringBuffer("Bread");
}

Core Java

Ans. Buggy

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve java code coding stringbuffer string method calling pass by reference}

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