Java - Strings and String Handling
Which of the following is the correct way to append "World" to a
StringBuilder named sb?Which of the following is the correct way to append "World" to a StringBuilder named sb?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall StringBuilder methods
StringBuilderusesappend()to add text at the end.Step 2: Check method names
add()andconcat()are not methods ofStringBuilder.insert()inserts at a position, not just append.Final Answer:
sb.append("World"); -> Option DQuick Check:
Append text with append() method [OK]
Quick Trick: Use append() to add text to StringBuilder [OK]
Common Mistakes:
- Using concat() which is for String
- Using add() which does not exist
- Confusing insert() with append()
Master "Strings and String Handling" in Java
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