31. What is the output of this program?
    

    
    public class Result 
        {
            public static void main(String args[])
            { 
               String str1 = "Interview";
               String str2 = str1 + " Mania";
               System.out.println(str2);
            }
        }
    

1. 1. Interview Mania

   
   
   

   2. Interview

   
   
   

   3. Mania

   
   
   

   4. Mania Interview

   
   
   

   5. InterviewMania

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   Interview Mania

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32. What is the output of this program?
    

    
    public class Result 
        {
            public static void main(String args[])
            { 
               String str0 = "  Interview mania  ";
               String str1 = str0.trim();
               System.out.println("\""+str1+"\"");
            }
        }
    

1. 1. " Interview mania "

   
   
   

   2. "Interview mania"

   
   
   

   3. Interview mania

   
   
   

   4. Interviewmania

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   trim() method is used to remove leading and trailing whitespaces in a string.

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33. Which of the following statement is correct?

1. 1. replace() replace() method replaces last occurrence of a character in invoking string with another character

   
   
   

   2. replace() method replaces all the characters in invoking string with another character

   
   
   

   3. replace() method replaces all occurrences of one character in invoking string with another character

   
   
   

   4. replace() method replaces only first occurrences of a character in invoking string with another character

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   replace() method replaces all occurrences of one character in invoking string with another character.

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34. What is the value returned by function compareTo() if the invoking string is greater than the string compared?

1. 1. zero

   
   
   

   2. value greater than zero

   
   
   

   3. Only zero

   
   
   

   4. value less than zero

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   value greater than zero

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35. Which of these method of class String is used to remove leading and trailing whitespaces?

1. 1. Trim()

   
   
   

   2. doTrim()

   
   
   

   3. startsWith()

   
   
   

   4. trim()

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   trim()

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