[Solved] What will be printed by this code? StringBuffer sb = new StringBuffer("Hello"); sb.insert(5, " World"); System.out.println(sb.toString()); | Java

Java - Strings and String Handling

What will be printed by this code?

StringBuffer sb = new StringBuffer("Hello");
sb.insert(5, " World");
System.out.println(sb.toString());

AHelloWorld

B WorldHello

CHello World

DHello WorldHello

Step-by-Step Solution

Solution:

Step 1: Understand insert method
Inserts " World" at index 5, which is after "Hello".
Step 2: Resulting string
String becomes "Hello World".
Final Answer:
Hello World -> Option C
Quick Check:
Insert at index 5 = Hello World [OK]

Quick Trick: insert(index, text) adds text at given position [OK]

Common Mistakes:

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