b) Substring() Show
c) SubString() d) None of the mentioned 2. What will s2 contain after following lines of Java code? StringBuffer s1 = "one"; StringBuffer s2 = s1.append("two") a) one b) two c) onetwo d) twoone 3. Which of this method of class StringBuffer is used to reverse sequence of characters? a) reverse() b) reverseall() c) Reverse() d) reverseAll() 4. Which of this method of class StringBuffer is used to get the length of the sequence of characters? a) length() b) capacity() c) Length() d) Capacity() 5. Which of the following are incorrect form of StringBuffer class constructor? a) StringBuffer() b) StringBuffer(int size) c) StringBuffer(String str) d) StringBuffer(int size , String str) 6. What will be the output of the following Java code? class output { public static void main(String args[]) { StringBuffer c = new StringBuffer("Hello"); System.out.println(c.length()); } } a) 4 b) 5 c) 6 d) 7 7. What will be the output of the following Java code? class output { public static void main(String args[]) { StringBuffer sb=new StringBuffer("Hello"); sb.replace(1,3,"Java"); System.out.println(sb); } } a) Hello java b) Hellojava c) HJavalo d) Hjava 8. What will be the output of the following Java code? class output { public static void main(String args[]) { StringBuffer s1 = new StringBuffer("Hello"); s1.setCharAt(1,'x'); System.out.println(s1); } } a) xello b) xxxxx c) Hxllo d) Hexlo 9. What will be the output of the following Java code? class output { public static void main(String args[]) { StringBuffer s1 = new StringBuffer("Hello World"); s1.insert(6 , "Good "); System.out.println(s1); } } a) HelloGoodWorld b) HellGoodoWorld c) HellGood oWorld d) Hello Good World 10. What will be the output of the following Java code? class output { public static void main(String args[]) { StringBuffer s1 = new StringBuffer("Hello"); s1.insert(1,"Java"); System.out.println(s1); } } a) hello b) java c) Hello Java d) HJavaello Answer & Explanation  at, ul, consectetur iciturur laoree Fusce, consectetu lestiefacilisis. iciturac, dictum vitae odio. Donec aliquet. risusce d ec facipsum dolo , dictu, consec usce duicitur laoreet. Nam inia pulec facilisis gue Unlock full access to Course Hero Explore over 16 million step-by-step answers from our library Subscribe to view answer Step-by-step explanation leamet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque d gue iacongue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dol gue acifacilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie co gue , cur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac m gue dicdictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam gue fmolestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsu gue remur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec alique gue tctum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor gue ces a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem gue ce dat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum Which method is used to extract a character from String?You can extract a substring from a string using the slice() method. You pass it: the index at which to start extracting.
Which of these method of class String is used to extract all the character from a String object?charAt() is the method of class String is used to extract a single character from a String Object. Hence, option(c) is the correct answer. Java uses the syntax of camel-case for naming class, interface, method, and variable. charAt() is a string method that returns the character present at the given index in a string.
Which of these methods of class String is used to extract all the characters from a String object * A charAt () b remove () C charAt () d replace ()?Explanation: Replace() replaces all instances of a character with a new character while Remove extracts characters from the string.
Which of this method of class String is used to extract a substring from a String object Mcq?1. Which of these methods of class StringBuffer is used to extract a substring from a String object? Explanation: None.
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Which of these method of class String is used to extract all the characters from a String object?
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