Declarations and Access Control Logic

Question : 10 of 29

Marks: +1, -0

Given:

1. public class TestString1 {
2.   public static void main(String[] args) {
3.    String str = "420";
4.    str += 42;
5.    System.out.print(str);
6.   }
7. }

What is the output?

42
420
462
42042
Compilation fails.
An exception is thrown at runtime

Validate

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